{"history":[{"alert":0,"cve":"CVE-2026-65400","id":23364,"kind":"epss","observed_at":1794500401,"payload":"{\"date\": \"2026-11-12\", \"epss\": 0.18057, \"percentile\": 0.97235}"},{"alert":1,"cve":"CVE-2026-65400","id":20845,"kind":"epss","observed_at":1794327601,"payload":"{\"date\": \"2026-11-10\", \"epss\": 0.18057, \"percentile\": 0.97218}"},{"alert":0,"cve":"CVE-2026-65400","id":18852,"kind":"epss","observed_at":1794241201,"payload":"{\"date\": \"2026-11-09\", \"epss\": 0.01723, \"percentile\": 0.77676}"},{"alert":0,"cve":"CVE-2026-65400","id":16909,"kind":"epss","observed_at":1794154800,"payload":"{\"date\": \"2026-11-08\", \"epss\": 0.01723, \"percentile\": 0.77664}"},{"alert":0,"cve":"CVE-2026-65400","id":14887,"kind":"epss","observed_at":1794068402,"payload":"{\"date\": \"2026-11-07\", \"epss\": 0.01723, \"percentile\": 0.77646}"},{"alert":0,"cve":"CVE-2026-65400","id":12535,"kind":"epss","observed_at":1793982001,"payload":"{\"date\": \"2026-11-06\", \"epss\": 0.01723, \"percentile\": 0.77607}"},{"alert":0,"cve":"CVE-2026-65400","id":10522,"kind":"epss","observed_at":1793938800,"payload":"{\"date\": \"2026-11-05\", \"epss\": 0.01723, \"percentile\": 0.77596}"},{"alert":0,"cve":"CVE-2026-65400","id":8074,"kind":"epss","observed_at":1793809200,"payload":"{\"date\": \"2026-11-04\", \"epss\": 0.01723, \"percentile\": 0.77581}"},{"alert":0,"cve":"CVE-2026-65400","id":5859,"kind":"epss","observed_at":1793722800,"payload":"{\"date\": \"2026-11-03\", \"epss\": 0.01723, \"percentile\": 0.77539}"},{"alert":1,"cve":"CVE-2026-65400","id":3744,"kind":"cna","observed_at":1793679601,"payload":"{\"containers\": {\"adp\": [{\"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-2026-65400\", \"options\": [{\"Exploitation\": \"active\"}, {\"Automatable\": \"yes\"}, {\"Technical Impact\": \"total\"}], \"role\": \"CISA Coordinator\", \"timestamp\": \"2026-08-14T00:00:00+00:00\", \"version\": \"2.0.3\"}, \"type\": \"ssvc\"}}, {\"other\": {\"content\": {\"dateAdded\": \"2026-08-18\", \"reference\": \"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-65400\"}, \"type\": \"kev\"}}], \"problemTypes\": [{\"descriptions\": [{\"cweId\": \"CWE-287\", \"description\": \"CWE-287 Improper Authentication\", \"lang\": \"en\", \"type\": \"CWE\"}]}], \"providerMetadata\": {\"dateUpdated\": \"2026-08-19T03:55:50.505Z\", \"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\"}, \"references\": [{\"tags\": [\"third-party-advisory\"], \"url\": \"https://advisories.ncsc.nl/2026/ncsc-2026-0280.html\"}, {\"tags\": [\"government-resource\"], \"url\": \"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-65400\"}], \"timeline\": [{\"lang\": \"en\", \"time\": \"2026-08-18T00:00:00.000Z\", \"value\": \"CVE-2026-65400 added to CISA KEV\"}], \"title\": \"CISA ADP Vulnrichment\"}, {\"providerMetadata\": {\"dateUpdated\": \"2026-08-13T23:15:32.774Z\", \"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\"}, \"references\": [{\"url\": \"http://seclists.org/fulldisclosure/2026/Aug/36\"}, {\"url\": \"http://seclists.org/fulldisclosure/2026/Aug/37\"}], \"title\": \"CVE Program Container\"}], \"cna\": {\"affected\": [{\"product\": \"macOS\", \"vendor\": \"Apple\", \"versions\": [{\"lessThan\": \"14.8.9\", \"status\": \"affected\", \"version\": \"0\", \"versionType\": \"custom\"}, {\"lessThan\": \"15.7.9\", \"status\": \"affected\", \"version\": \"0\", \"versionType\": \"custom\"}, {\"lessThan\": \"26.6.1\", \"status\": \"affected\", \"version\": \"0\", \"versionType\": \"custom\"}, {\"lessThan\": \"26.7\", \"status\": \"affected\", \"version\": \"0\", \"versionType\": \"custom\"}, {\"lessThan\": \"27\", \"status\": \"affected\", \"version\": \"0\", \"versionType\": \"custom\"}]}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"An authentication issue was addressed with improved state management. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.7.9, macOS Sonoma 14.8.9, macOS Tahoe 26.6.1, macOS Tahoe 26.7. An attacker on the network may be able to authenticate to Screen Sharing without valid credentials.\"}], \"problemTypes\": [{\"descriptions\": [{\"description\": \"An attacker on the network may be able to authenticate to Screen Sharing without valid credentials\", \"lang\": \"en\"}]}], \"providerMetadata\": {\"dateUpdated\": \"2026-10-26T20:36:23.984Z\", \"orgId\": \"286789f9-fbc2-4510-9f9a-43facdede74c\", \"shortName\": \"apple\"}, \"references\": [{\"url\": \"https://support.apple.com/en-us/148170\"}, {\"url\": \"https://support.apple.com/en-us/148171\"}, {\"url\": \"https://support.apple.com/en-us/148172\"}, {\"url\": \"https://support.apple.com/en-us/149035\"}, {\"url\": \"https://support.apple.com/en-us/149042\"}]}}, \"cveMetadata\": {\"assignerOrgId\": \"286789f9-fbc2-4510-9f9a-43facdede74c\", \"assignerShortName\": \"apple\", \"cveId\": \"CVE-2026-65400\", \"datePublished\": \"2026-08-06T18:17:18.263Z\", \"dateReserved\": \"2026-07-22T00:46:56.740Z\", \"dateUpdated\": \"2026-10-26T20:36:23.984Z\", \"state\": \"PUBLISHED\"}, \"dataType\": \"CVE_RECORD\", \"dataVersion\": \"5.2\"}"},{"alert":0,"cve":"CVE-2026-65400","id":3553,"kind":"epss","observed_at":1793665375,"payload":"{\"date\": \"2026-11-02\", \"epss\": 0.01723, \"percentile\": 0.77514}"},{"alert":1,"cve":"CVE-2026-65400","id":100,"kind":"kev","observed_at":1793665375,"payload":"{\"cveID\": \"CVE-2026-65400\", \"cwes\": [\"CWE-287\"], \"dateAdded\": \"2026-08-18\", \"dueDate\": \"2026-08-21\", \"forensicTriage\": \"Yes\", \"knownRansomwareCampaignUse\": \"Unknown\", \"notes\": \"https://support.apple.com/en-us/148170; https://support.apple.com/en-us/148171; https://support.apple.com/en-us/148172 ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-65400\", \"product\": \"macOS\", \"requiredAction\": \"Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA\\u2019s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA\\u2019s \\u201cForensics Triage Requirements\\u201d (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.\", \"shortDescription\": \"Apple macOS contains an improper authentication vulnerability that could allow an attacker on the network to authenticate to Screen Sharing without valid credentials.\", \"vendorProject\": \"Apple\", \"vulnerabilityName\": \"Apple macOS Improper Authentication Vulnerability\"}"}],"record":{"affected":[{"product":"macOS","vendor":"Apple","versions":[{"lessThan":"14.8.9","status":"affected","version":"0","versionType":"custom"},{"lessThan":"15.7.9","status":"affected","version":"0","versionType":"custom"},{"lessThan":"26.6.1","status":"affected","version":"0","versionType":"custom"},{"lessThan":"26.7","status":"affected","version":"0","versionType":"custom"},{"lessThan":"27","status":"affected","version":"0","versionType":"custom"}]}],"cna":{"containers":{"adp":[{"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-2026-65400","options":[{"Exploitation":"active"},{"Automatable":"yes"},{"Technical Impact":"total"}],"role":"CISA Coordinator","timestamp":"2026-08-14T00:00:00+00:00","version":"2.0.3"},"type":"ssvc"}},{"other":{"content":{"dateAdded":"2026-08-18","reference":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-65400"},"type":"kev"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-287","description":"CWE-287 Improper Authentication","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-08-19T03:55:50.505Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"references":[{"tags":["third-party-advisory"],"url":"https://advisories.ncsc.nl/2026/ncsc-2026-0280.html"},{"tags":["government-resource"],"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-65400"}],"timeline":[{"lang":"en","time":"2026-08-18T00:00:00.000Z","value":"CVE-2026-65400 added to CISA KEV"}],"title":"CISA ADP Vulnrichment"},{"providerMetadata":{"dateUpdated":"2026-08-13T23:15:32.774Z","orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE"},"references":[{"url":"http://seclists.org/fulldisclosure/2026/Aug/36"},{"url":"http://seclists.org/fulldisclosure/2026/Aug/37"}],"title":"CVE Program Container"}],"cna":{"affected":[{"product":"macOS","vendor":"Apple","versions":[{"lessThan":"14.8.9","status":"affected","version":"0","versionType":"custom"},{"lessThan":"15.7.9","status":"affected","version":"0","versionType":"custom"},{"lessThan":"26.6.1","status":"affected","version":"0","versionType":"custom"},{"lessThan":"26.7","status":"affected","version":"0","versionType":"custom"},{"lessThan":"27","status":"affected","version":"0","versionType":"custom"}]}],"descriptions":[{"lang":"en","value":"An authentication issue was addressed with improved state management. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.7.9, macOS Sonoma 14.8.9, macOS Tahoe 26.6.1, macOS Tahoe 26.7. An attacker on the network may be able to authenticate to Screen Sharing without valid credentials."}],"problemTypes":[{"descriptions":[{"description":"An attacker on the network may be able to authenticate to Screen Sharing without valid credentials","lang":"en"}]}],"providerMetadata":{"dateUpdated":"2026-10-26T20:36:23.984Z","orgId":"286789f9-fbc2-4510-9f9a-43facdede74c","shortName":"apple"},"references":[{"url":"https://support.apple.com/en-us/148170"},{"url":"https://support.apple.com/en-us/148171"},{"url":"https://support.apple.com/en-us/148172"},{"url":"https://support.apple.com/en-us/149035"},{"url":"https://support.apple.com/en-us/149042"}]}},"cveMetadata":{"assignerOrgId":"286789f9-fbc2-4510-9f9a-43facdede74c","assignerShortName":"apple","cveId":"CVE-2026-65400","datePublished":"2026-08-06T18:17:18.263Z","dateReserved":"2026-07-22T00:46:56.740Z","dateUpdated":"2026-10-26T20:36:23.984Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"cna_checked":1794111601,"cve":"CVE-2026-65400","description":"An authentication issue was addressed with improved state management. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.7.9, macOS Sonoma 14.8.9, macOS Tahoe 26.6.1, macOS Tahoe 26.7. An attacker on the network may be able to authenticate to Screen Sharing without valid credentials.","epss":{"date":"2026-11-12","epss":0.18057,"percentile":0.97235},"epss_checked":1794522003,"first_seen":1793665375,"kev":{"cveID":"CVE-2026-65400","cwes":["CWE-287"],"dateAdded":"2026-08-18","dueDate":"2026-08-21","forensicTriage":"Yes","knownRansomwareCampaignUse":"Unknown","notes":"https://support.apple.com/en-us/148170; https://support.apple.com/en-us/148171; https://support.apple.com/en-us/148172 ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-65400","product":"macOS","requiredAction":"Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA\u2019s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA\u2019s \u201cForensics Triage Requirements\u201d (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.","shortDescription":"Apple macOS contains an improper authentication vulnerability that could allow an attacker on the network to authenticate to Screen Sharing without valid credentials.","vendorProject":"Apple","vulnerabilityName":"Apple macOS Improper Authentication Vulnerability"},"kev_checked":1794522003,"products":"Apple macOS","references":["https://support.apple.com/en-us/148170","https://support.apple.com/en-us/148171","https://support.apple.com/en-us/148172","https://support.apple.com/en-us/149035","https://support.apple.com/en-us/149042","https://advisories.ncsc.nl/2026/ncsc-2026-0280.html","https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-65400","http://seclists.org/fulldisclosure/2026/Aug/36","http://seclists.org/fulldisclosure/2026/Aug/37"],"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":"Apple macOS Improper Authentication Vulnerability","updated_at":1794500401,"workarounds":""},"sources":[]}