{"history":[{"alert":0,"cve":"CVE-2014-1776","id":21470,"kind":"epss","observed_at":1794500401,"payload":"{\"date\": \"2026-11-12\", \"epss\": 0.82682, \"percentile\": 0.99672}"},{"alert":0,"cve":"CVE-2014-1776","id":19086,"kind":"epss","observed_at":1794327601,"payload":"{\"date\": \"2026-11-10\", \"epss\": 0.82682, \"percentile\": 0.99671}"},{"alert":0,"cve":"CVE-2014-1776","id":17052,"kind":"epss","observed_at":1794241201,"payload":"{\"date\": \"2026-11-09\", \"epss\": 0.82682, \"percentile\": 0.9967}"},{"alert":0,"cve":"CVE-2014-1776","id":15115,"kind":"epss","observed_at":1794154800,"payload":"{\"date\": \"2026-11-08\", \"epss\": 0.82682, \"percentile\": 0.9967}"},{"alert":0,"cve":"CVE-2014-1776","id":13093,"kind":"epss","observed_at":1794068402,"payload":"{\"date\": \"2026-11-07\", \"epss\": 0.82682, \"percentile\": 0.99669}"},{"alert":1,"cve":"CVE-2014-1776","id":12960,"kind":"cna","observed_at":1794046801,"payload":"{\"containers\": {\"adp\": [{\"providerMetadata\": {\"dateUpdated\": \"2025-05-29T13:53:01.717Z\", \"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\"}, \"references\": [{\"url\": \"https://www.vicarius.io/vsociety/posts/cve-2014-1776-use-after-free-vulnerability-in-microsoft-internet-explorer-mitigation-scripts\"}, {\"url\": \"https://www.vicarius.io/vsociety/posts/cve-2014-1776-use-after-free-vulnerability-in-microsoft-internet-explorer-detection-script\"}, {\"name\": \"1030154\", \"tags\": [\"vdb-entry\", \"x_refsource_SECTRACK\", \"x_transferred\"], \"url\": \"http://securitytracker.com/id?1030154\"}, {\"name\": \"106311\", \"tags\": [\"vdb-entry\", \"x_refsource_OSVDB\", \"x_transferred\"], \"url\": \"http://www.osvdb.org/106311\"}, {\"name\": \"MS14-021\", \"tags\": [\"vendor-advisory\", \"x_refsource_MS\", \"x_transferred\"], \"url\": \"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-021\"}, {\"tags\": [\"x_refsource_CONFIRM\", \"x_transferred\"], \"url\": \"http://blogs.technet.com/b/srd/archive/2014/04/30/protection-strategies-for-the-security-advisory-2963983-ie-0day.aspx\"}, {\"name\": \"57908\", \"tags\": [\"third-party-advisory\", \"x_refsource_SECUNIA\", \"x_transferred\"], \"url\": \"http://secunia.com/advisories/57908\"}, {\"tags\": [\"x_refsource_MISC\", \"x_transferred\"], \"url\": \"http://www.signalsec.com/cve-2014-1776-ie-0day-analysis/\"}, {\"tags\": [\"x_refsource_MISC\", \"x_transferred\"], \"url\": \"http://www.fireeye.com/blog/uncategorized/2014/04/new-zero-day-exploit-targeting-internet-explorer-versions-9-through-11-identified-in-targeted-attacks.html\"}, {\"name\": \"VU#222929\", \"tags\": [\"third-party-advisory\", \"x_refsource_CERT-VN\", \"x_transferred\"], \"url\": \"http://www.kb.cert.org/vuls/id/222929\"}, {\"tags\": [\"x_refsource_CONFIRM\", \"x_transferred\"], \"url\": \"https://technet.microsoft.com/library/security/2963983\"}, {\"name\": \"67075\", \"tags\": [\"vdb-entry\", \"x_refsource_BID\", \"x_transferred\"], \"url\": \"http://www.securityfocus.com/bid/67075\"}], \"title\": \"CVE Program Container\", \"x_generator\": {\"engine\": \"ADPogram 0.0.1\"}}, {\"metrics\": [{\"cvssV3_1\": {\"attackComplexity\": \"LOW\", \"attackVector\": \"NETWORK\", \"availabilityImpact\": \"HIGH\", \"baseScore\": 9.8, \"baseSeverity\": \"CRITICAL\", \"confidentialityImpact\": \"HIGH\", \"integrityImpact\": \"HIGH\", \"privilegesRequired\": \"NONE\", \"scope\": \"UNCHANGED\", \"userInteraction\": \"NONE\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\", \"version\": \"3.1\"}}, {\"other\": {\"content\": {\"id\": \"CVE-2014-1776\", \"options\": [{\"Exploitation\": \"active\"}, {\"Automatable\": \"yes\"}, {\"Technical Impact\": \"total\"}], \"role\": \"CISA Coordinator\", \"timestamp\": \"2025-02-10T19:31:15.775834Z\", \"version\": \"2.0.3\"}, \"type\": \"ssvc\"}}, {\"other\": {\"content\": {\"dateAdded\": \"2022-01-28\", \"reference\": \"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2014-1776\"}, \"type\": \"kev\"}}], \"problemTypes\": [{\"descriptions\": [{\"cweId\": \"CWE-416\", \"description\": \"CWE-416 Use After Free\", \"lang\": \"en\", \"type\": \"CWE\"}]}], \"providerMetadata\": {\"dateUpdated\": \"2025-10-22T00:05:37.934Z\", \"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\"}, \"references\": [{\"tags\": [\"government-resource\"], \"url\": \"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2014-1776\"}], \"timeline\": [{\"lang\": \"en\", \"time\": \"2022-01-28T00:00:00.000Z\", \"value\": \"CVE-2014-1776 added to CISA KEV\"}], \"title\": \"CISA ADP Vulnrichment\"}], \"cna\": {\"affected\": [{\"product\": \"n/a\", \"vendor\": \"n/a\", \"versions\": [{\"status\": \"affected\", \"version\": \"n/a\"}]}], \"datePublic\": \"2014-04-26T00:00:00.000Z\", \"descriptions\": [{\"lang\": \"en\", \"value\": \"Use-after-free vulnerability in Microsoft Internet Explorer 6 through 11 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via vectors related to the CMarkup::IsConnectedToPrimaryMarkup function, as exploited in the wild in April 2014.  NOTE: this issue originally emphasized VGX.DLL, but Microsoft clarified that \\\"VGX.DLL does not contain the vulnerable code leveraged in this exploit. Disabling VGX.DLL is an exploit-specific workaround that provides an immediate, effective workaround to help block known attacks.\\\"\"}], \"problemTypes\": [{\"descriptions\": [{\"description\": \"n/a\", \"lang\": \"en\", \"type\": \"text\"}]}], \"providerMetadata\": {\"dateUpdated\": \"2018-10-12T19:57:01.000Z\", \"orgId\": \"f38d906d-7342-40ea-92c1-6c4a2c6478c8\", \"shortName\": \"microsoft\"}, \"references\": [{\"name\": \"1030154\", \"tags\": [\"vdb-entry\", \"x_refsource_SECTRACK\"], \"url\": \"http://securitytracker.com/id?1030154\"}, {\"name\": \"106311\", \"tags\": [\"vdb-entry\", \"x_refsource_OSVDB\"], \"url\": \"http://www.osvdb.org/106311\"}, {\"name\": \"MS14-021\", \"tags\": [\"vendor-advisory\", \"x_refsource_MS\"], \"url\": \"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-021\"}, {\"tags\": [\"x_refsource_CONFIRM\"], \"url\": \"http://blogs.technet.com/b/srd/archive/2014/04/30/protection-strategies-for-the-security-advisory-2963983-ie-0day.aspx\"}, {\"name\": \"57908\", \"tags\": [\"third-party-advisory\", \"x_refsource_SECUNIA\"], \"url\": \"http://secunia.com/advisories/57908\"}, {\"tags\": [\"x_refsource_MISC\"], \"url\": \"http://www.signalsec.com/cve-2014-1776-ie-0day-analysis/\"}, {\"tags\": [\"x_refsource_MISC\"], \"url\": \"http://www.fireeye.com/blog/uncategorized/2014/04/new-zero-day-exploit-targeting-internet-explorer-versions-9-through-11-identified-in-targeted-attacks.html\"}, {\"name\": \"VU#222929\", \"tags\": [\"third-party-advisory\", \"x_refsource_CERT-VN\"], \"url\": \"http://www.kb.cert.org/vuls/id/222929\"}, {\"tags\": [\"x_refsource_CONFIRM\"], \"url\": \"https://technet.microsoft.com/library/security/2963983\"}, {\"name\": \"67075\", \"tags\": [\"vdb-entry\", \"x_refsource_BID\"], \"url\": \"http://www.securityfocus.com/bid/67075\"}], \"x_legacyV4Record\": {\"CVE_data_meta\": {\"ASSIGNER\": \"secure@microsoft.com\", \"ID\": \"CVE-2014-1776\", \"STATE\": \"PUBLIC\"}, \"affects\": {\"vendor\": {\"vendor_data\": [{\"product\": {\"product_data\": [{\"product_name\": \"n/a\", \"version\": {\"version_data\": [{\"version_value\": \"n/a\"}]}}]}, \"vendor_name\": \"n/a\"}]}}, \"data_format\": \"MITRE\", \"data_type\": \"CVE\", \"data_version\": \"4.0\", \"description\": {\"description_data\": [{\"lang\": \"eng\", \"value\": \"Use-after-free vulnerability in Microsoft Internet Explorer 6 through 11 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via vectors related to the CMarkup::IsConnectedToPrimaryMarkup function, as exploited in the wild in April 2014.  NOTE: this issue originally emphasized VGX.DLL, but Microsoft clarified that \\\"VGX.DLL does not contain the vulnerable code leveraged in this exploit. Disabling VGX.DLL is an exploit-specific workaround that provides an immediate, effective workaround to help block known attacks.\\\"\"}]}, \"problemtype\": {\"problemtype_data\": [{\"description\": [{\"lang\": \"eng\", \"value\": \"n/a\"}]}]}, \"references\": {\"reference_data\": [{\"name\": \"1030154\", \"refsource\": \"SECTRACK\", \"url\": \"http://securitytracker.com/id?1030154\"}, {\"name\": \"106311\", \"refsource\": \"OSVDB\", \"url\": \"http://www.osvdb.org/106311\"}, {\"name\": \"MS14-021\", \"refsource\": \"MS\", \"url\": \"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-021\"}, {\"name\": \"http://blogs.technet.com/b/srd/archive/2014/04/30/protection-strategies-for-the-security-advisory-2963983-ie-0day.aspx\", \"refsource\": \"CONFIRM\", \"url\": \"http://blogs.technet.com/b/srd/archive/2014/04/30/protection-strategies-for-the-security-advisory-2963983-ie-0day.aspx\"}, {\"name\": \"57908\", \"refsource\": \"SECUNIA\", \"url\": \"http://secunia.com/advisories/57908\"}, {\"name\": \"http://www.signalsec.com/cve-2014-1776-ie-0day-analysis/\", \"refsource\": \"MISC\", \"url\": \"http://www.signalsec.com/cve-2014-1776-ie-0day-analysis/\"}, {\"name\": \"http://www.fireeye.com/blog/uncategorized/2014/04/new-zero-day-exploit-targeting-internet-explorer-versions-9-through-11-identified-in-targeted-attacks.html\", \"refsource\": \"MISC\", \"url\": \"http://www.fireeye.com/blog/uncategorized/2014/04/new-zero-day-exploit-targeting-internet-explorer-versions-9-through-11-identified-in-targeted-attacks.html\"}, {\"name\": \"VU#222929\", \"refsource\": \"CERT-VN\", \"url\": \"http://www.kb.cert.org/vuls/id/222929\"}, {\"name\": \"https://technet.microsoft.com/library/security/2963983\", \"refsource\": \"CONFIRM\", \"url\": \"https://technet.microsoft.com/library/security/2963983\"}, {\"name\": \"67075\", \"refsource\": \"BID\", \"url\": \"http://www.securityfocus.com/bid/67075\"}]}}}}, \"cveMetadata\": {\"assignerOrgId\": \"f38d906d-7342-40ea-92c1-6c4a2c6478c8\", \"assignerShortName\": \"microsoft\", \"cveId\": \"CVE-2014-1776\", \"datePublished\": \"2014-04-27T10:00:00.000Z\", \"dateReserved\": \"2014-01-29T00:00:00.000Z\", \"dateUpdated\": \"2025-10-22T00:05:37.934Z\", \"state\": \"PUBLISHED\"}, \"dataType\": \"CVE_RECORD\", \"dataVersion\": \"5.1\"}"},{"alert":0,"cve":"CVE-2014-1776","id":10875,"kind":"epss","observed_at":1793982001,"payload":"{\"date\": \"2026-11-06\", \"epss\": 0.82682, \"percentile\": 0.99669}"},{"alert":0,"cve":"CVE-2014-1776","id":8621,"kind":"epss","observed_at":1793895600,"payload":"{\"date\": \"2026-11-05\", \"epss\": 0.82682, \"percentile\": 0.99668}"},{"alert":0,"cve":"CVE-2014-1776","id":6409,"kind":"epss","observed_at":1793809200,"payload":"{\"date\": \"2026-11-04\", \"epss\": 0.82682, \"percentile\": 0.99668}"},{"alert":0,"cve":"CVE-2014-1776","id":4186,"kind":"epss","observed_at":1793722800,"payload":"{\"date\": \"2026-11-03\", \"epss\": 0.82682, \"percentile\": 0.99667}"},{"alert":0,"cve":"CVE-2014-1776","id":1968,"kind":"epss","observed_at":1793665375,"payload":"{\"date\": \"2026-11-02\", \"epss\": 0.82682, \"percentile\": 0.99667}"},{"alert":1,"cve":"CVE-2014-1776","id":1421,"kind":"kev","observed_at":1793665375,"payload":"{\"cveID\": \"CVE-2014-1776\", \"cwes\": [\"CWE-416\"], \"dateAdded\": \"2022-01-28\", \"dueDate\": \"2022-07-28\", \"forensicTriage\": \"No\", \"knownRansomwareCampaignUse\": \"Unknown\", \"notes\": \"https://learn.microsoft.com/en-us/security-updates/SecurityBulletins/2014/ms14-021?redirectedfrom=MSDN; https://nvd.nist.gov/vuln/detail/CVE-2014-1776\", \"product\": \"Internet Explorer\", \"requiredAction\": \"Apply updates per vendor instructions.\", \"shortDescription\": \"Microsoft Internet Explorer contains a memory corruption vulnerability that allows remote attackers to execute code in the context of the current user.\", \"vendorProject\": \"Microsoft\", \"vulnerabilityName\": \"Microsoft Internet Explorer Memory Corruption Vulnerability\"}"}],"record":{"affected":[{"product":"n/a","vendor":"n/a","versions":[{"status":"affected","version":"n/a"}]}],"cna":{"containers":{"adp":[{"providerMetadata":{"dateUpdated":"2025-05-29T13:53:01.717Z","orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE"},"references":[{"url":"https://www.vicarius.io/vsociety/posts/cve-2014-1776-use-after-free-vulnerability-in-microsoft-internet-explorer-mitigation-scripts"},{"url":"https://www.vicarius.io/vsociety/posts/cve-2014-1776-use-after-free-vulnerability-in-microsoft-internet-explorer-detection-script"},{"name":"1030154","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"],"url":"http://securitytracker.com/id?1030154"},{"name":"106311","tags":["vdb-entry","x_refsource_OSVDB","x_transferred"],"url":"http://www.osvdb.org/106311"},{"name":"MS14-021","tags":["vendor-advisory","x_refsource_MS","x_transferred"],"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-021"},{"tags":["x_refsource_CONFIRM","x_transferred"],"url":"http://blogs.technet.com/b/srd/archive/2014/04/30/protection-strategies-for-the-security-advisory-2963983-ie-0day.aspx"},{"name":"57908","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"],"url":"http://secunia.com/advisories/57908"},{"tags":["x_refsource_MISC","x_transferred"],"url":"http://www.signalsec.com/cve-2014-1776-ie-0day-analysis/"},{"tags":["x_refsource_MISC","x_transferred"],"url":"http://www.fireeye.com/blog/uncategorized/2014/04/new-zero-day-exploit-targeting-internet-explorer-versions-9-through-11-identified-in-targeted-attacks.html"},{"name":"VU#222929","tags":["third-party-advisory","x_refsource_CERT-VN","x_transferred"],"url":"http://www.kb.cert.org/vuls/id/222929"},{"tags":["x_refsource_CONFIRM","x_transferred"],"url":"https://technet.microsoft.com/library/security/2963983"},{"name":"67075","tags":["vdb-entry","x_refsource_BID","x_transferred"],"url":"http://www.securityfocus.com/bid/67075"}],"title":"CVE Program Container","x_generator":{"engine":"ADPogram 0.0.1"}},{"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":9.8,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}},{"other":{"content":{"id":"CVE-2014-1776","options":[{"Exploitation":"active"},{"Automatable":"yes"},{"Technical Impact":"total"}],"role":"CISA Coordinator","timestamp":"2025-02-10T19:31:15.775834Z","version":"2.0.3"},"type":"ssvc"}},{"other":{"content":{"dateAdded":"2022-01-28","reference":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2014-1776"},"type":"kev"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-416","description":"CWE-416 Use After Free","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2025-10-22T00:05:37.934Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"references":[{"tags":["government-resource"],"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2014-1776"}],"timeline":[{"lang":"en","time":"2022-01-28T00:00:00.000Z","value":"CVE-2014-1776 added to CISA KEV"}],"title":"CISA ADP Vulnrichment"}],"cna":{"affected":[{"product":"n/a","vendor":"n/a","versions":[{"status":"affected","version":"n/a"}]}],"datePublic":"2014-04-26T00:00:00.000Z","descriptions":[{"lang":"en","value":"Use-after-free vulnerability in Microsoft Internet Explorer 6 through 11 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via vectors related to the CMarkup::IsConnectedToPrimaryMarkup function, as exploited in the wild in April 2014.  NOTE: this issue originally emphasized VGX.DLL, but Microsoft clarified that \"VGX.DLL does not contain the vulnerable code leveraged in this exploit. Disabling VGX.DLL is an exploit-specific workaround that provides an immediate, effective workaround to help block known attacks.\""}],"problemTypes":[{"descriptions":[{"description":"n/a","lang":"en","type":"text"}]}],"providerMetadata":{"dateUpdated":"2018-10-12T19:57:01.000Z","orgId":"f38d906d-7342-40ea-92c1-6c4a2c6478c8","shortName":"microsoft"},"references":[{"name":"1030154","tags":["vdb-entry","x_refsource_SECTRACK"],"url":"http://securitytracker.com/id?1030154"},{"name":"106311","tags":["vdb-entry","x_refsource_OSVDB"],"url":"http://www.osvdb.org/106311"},{"name":"MS14-021","tags":["vendor-advisory","x_refsource_MS"],"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-021"},{"tags":["x_refsource_CONFIRM"],"url":"http://blogs.technet.com/b/srd/archive/2014/04/30/protection-strategies-for-the-security-advisory-2963983-ie-0day.aspx"},{"name":"57908","tags":["third-party-advisory","x_refsource_SECUNIA"],"url":"http://secunia.com/advisories/57908"},{"tags":["x_refsource_MISC"],"url":"http://www.signalsec.com/cve-2014-1776-ie-0day-analysis/"},{"tags":["x_refsource_MISC"],"url":"http://www.fireeye.com/blog/uncategorized/2014/04/new-zero-day-exploit-targeting-internet-explorer-versions-9-through-11-identified-in-targeted-attacks.html"},{"name":"VU#222929","tags":["third-party-advisory","x_refsource_CERT-VN"],"url":"http://www.kb.cert.org/vuls/id/222929"},{"tags":["x_refsource_CONFIRM"],"url":"https://technet.microsoft.com/library/security/2963983"},{"name":"67075","tags":["vdb-entry","x_refsource_BID"],"url":"http://www.securityfocus.com/bid/67075"}],"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"secure@microsoft.com","ID":"CVE-2014-1776","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"n/a","version":{"version_data":[{"version_value":"n/a"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"Use-after-free vulnerability in Microsoft Internet Explorer 6 through 11 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via vectors related to the CMarkup::IsConnectedToPrimaryMarkup function, as exploited in the wild in April 2014.  NOTE: this issue originally emphasized VGX.DLL, but Microsoft clarified that \"VGX.DLL does not contain the vulnerable code leveraged in this exploit. Disabling VGX.DLL is an exploit-specific workaround that provides an immediate, effective workaround to help block known attacks.\""}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"name":"1030154","refsource":"SECTRACK","url":"http://securitytracker.com/id?1030154"},{"name":"106311","refsource":"OSVDB","url":"http://www.osvdb.org/106311"},{"name":"MS14-021","refsource":"MS","url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-021"},{"name":"http://blogs.technet.com/b/srd/archive/2014/04/30/protection-strategies-for-the-security-advisory-2963983-ie-0day.aspx","refsource":"CONFIRM","url":"http://blogs.technet.com/b/srd/archive/2014/04/30/protection-strategies-for-the-security-advisory-2963983-ie-0day.aspx"},{"name":"57908","refsource":"SECUNIA","url":"http://secunia.com/advisories/57908"},{"name":"http://www.signalsec.com/cve-2014-1776-ie-0day-analysis/","refsource":"MISC","url":"http://www.signalsec.com/cve-2014-1776-ie-0day-analysis/"},{"name":"http://www.fireeye.com/blog/uncategorized/2014/04/new-zero-day-exploit-targeting-internet-explorer-versions-9-through-11-identified-in-targeted-attacks.html","refsource":"MISC","url":"http://www.fireeye.com/blog/uncategorized/2014/04/new-zero-day-exploit-targeting-internet-explorer-versions-9-through-11-identified-in-targeted-attacks.html"},{"name":"VU#222929","refsource":"CERT-VN","url":"http://www.kb.cert.org/vuls/id/222929"},{"name":"https://technet.microsoft.com/library/security/2963983","refsource":"CONFIRM","url":"https://technet.microsoft.com/library/security/2963983"},{"name":"67075","refsource":"BID","url":"http://www.securityfocus.com/bid/67075"}]}}}},"cveMetadata":{"assignerOrgId":"f38d906d-7342-40ea-92c1-6c4a2c6478c8","assignerShortName":"microsoft","cveId":"CVE-2014-1776","datePublished":"2014-04-27T10:00:00.000Z","dateReserved":"2014-01-29T00:00:00.000Z","dateUpdated":"2025-10-22T00:05:37.934Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.1"},"cna_checked":1794046801,"cve":"CVE-2014-1776","description":"Use-after-free vulnerability in Microsoft Internet Explorer 6 through 11 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via vectors related to the CMarkup::IsConnectedToPrimaryMarkup function, as exploited in the wild in April 2014.  NOTE: this issue originally emphasized VGX.DLL, but Microsoft clarified that \"VGX.DLL does not contain the vulnerable code leveraged in this exploit. Disabling VGX.DLL is an exploit-specific workaround that provides an immediate, effective workaround to help block known attacks.\"","epss":{"date":"2026-11-12","epss":0.82682,"percentile":0.99672},"epss_checked":1794522003,"first_seen":1793665375,"kev":{"cveID":"CVE-2014-1776","cwes":["CWE-416"],"dateAdded":"2022-01-28","dueDate":"2022-07-28","forensicTriage":"No","knownRansomwareCampaignUse":"Unknown","notes":"https://learn.microsoft.com/en-us/security-updates/SecurityBulletins/2014/ms14-021?redirectedfrom=MSDN; https://nvd.nist.gov/vuln/detail/CVE-2014-1776","product":"Internet Explorer","requiredAction":"Apply updates per vendor instructions.","shortDescription":"Microsoft Internet Explorer contains a memory corruption vulnerability that allows remote attackers to execute code in the context of the current user.","vendorProject":"Microsoft","vulnerabilityName":"Microsoft Internet Explorer Memory Corruption Vulnerability"},"kev_checked":1794522003,"products":"n/a n/a","references":["http://securitytracker.com/id?1030154","http://www.osvdb.org/106311","https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-021","http://blogs.technet.com/b/srd/archive/2014/04/30/protection-strategies-for-the-security-advisory-2963983-ie-0day.aspx","http://secunia.com/advisories/57908","http://www.signalsec.com/cve-2014-1776-ie-0day-analysis/","http://www.fireeye.com/blog/uncategorized/2014/04/new-zero-day-exploit-targeting-internet-explorer-versions-9-through-11-identified-in-targeted-attacks.html","http://www.kb.cert.org/vuls/id/222929","https://technet.microsoft.com/library/security/2963983","http://www.securityfocus.com/bid/67075","https://www.vicarius.io/vsociety/posts/cve-2014-1776-use-after-free-vulnerability-in-microsoft-internet-explorer-mitigation-scripts","https://www.vicarius.io/vsociety/posts/cve-2014-1776-use-after-free-vulnerability-in-microsoft-internet-explorer-detection-script","https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2014-1776"],"score":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":9.8,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","provider":"CISA-ADP","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"solutions":"","state":"PUBLISHED","title":"Microsoft Internet Explorer Memory Corruption Vulnerability","updated_at":1794500401,"workarounds":""},"sources":[]}
