Exploitation evidence
Known exploited · CISA KEV listed
Added 2021-11-03. Ransomware campaign use: Known.
CISA required action: Apply updates per vendor instructions.
CISA due date: 2022-05-03. This is the catalog’s deadline, not an assessment of your organization’s exposure.
KEV checked 13 Nov 2026, 00:20 Jerusalem · Original catalog ↗Reported products and versions
n/a / n/a
Default status: Not specified
- affected: n/a
Fixes and workarounds
No explicit solution text in the downloaded CVE record. Consult the vendor advisory; unaffected version ranges are shown above as reported, not inferred as a patch recommendation.
Sources and related reporting
CVE Program record ↗ · Download tracked evidence as JSON
- http://www.securitytracker.com/id?1026902
- http://www.securitytracker.com/id?1026899
- http://www.us-cert.gov/cas/techalerts/TA12-101A.html
- http://www.securitytracker.com/id?1026904
- http://www.securitytracker.com/id?1026903
- http://www.securitytracker.com/id?1026905
- http://opensources.info/comment-on-the-curious-case-of-a-cve-2012-0158-exploit-by-chris-pierce/
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-027
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15462
- http://www.securityfocus.com/bid/52911
- https://exchange.xforce.ibmcloud.com/vulnerabilities/74372
- http://www.securitytracker.com/id?1026900
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2012-0158
Observed change timeline
History begins when Egret first downloads each source. It is not the complete upstream CVE history.
12 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-12",
"epss": 0.99976,
"percentile": 0.99979
}10 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-10",
"epss": 0.99976,
"percentile": 0.99979
}09 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-09",
"epss": 0.99976,
"percentile": 0.99979
}08 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-08",
"epss": 0.99976,
"percentile": 0.99979
}08 Nov 2026, 00:20 Jerusalem · CVE Program record changed
Stored CNA snapshot at this observation.
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"cveId": "CVE-2012-0158",
"datePublished": "2012-04-10T21:00:00.000Z",
"dateReserved": "2011-12-13T00:00:00.000Z",
"dateUpdated": "2025-10-22T00:05:47.862Z",
"state": "PUBLISHED"
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}07 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-07",
"epss": 0.99976,
"percentile": 0.99979
}06 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-06",
"epss": 0.99976,
"percentile": 0.99979
}05 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-05",
"epss": 0.99976,
"percentile": 0.99979
}04 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-04",
"epss": 0.99976,
"percentile": 0.99979
}03 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-03",
"epss": 0.99976,
"percentile": 0.99979
}03 Nov 2026, 02:22 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-02",
"epss": 0.99976,
"percentile": 0.99979
}03 Nov 2026, 02:22 Jerusalem · CISA KEV status changed
Stored KEV snapshot at this observation.
{
"cveID": "CVE-2012-0158",
"cwes": [
"CWE-94"
],
"dateAdded": "2021-11-03",
"dueDate": "2022-05-03",
"forensicTriage": "No",
"knownRansomwareCampaignUse": "Known",
"notes": "https://nvd.nist.gov/vuln/detail/CVE-2012-0158",
"product": "MSCOMCTL.OCX",
"requiredAction": "Apply updates per vendor instructions.",
"shortDescription": "Microsoft MSCOMCTL.OCX contains an unspecified vulnerability that allows for remote code execution, allowing an attacker to take complete control of an affected system under the context of the current user.",
"vendorProject": "Microsoft",
"vulnerabilityName": "Microsoft MSCOMCTL.OCX Remote Code Execution Vulnerability"
}