Vulnerabilities/Microsoft/CVE-2012-0158

CVE-2012-0158: Microsoft MSCOMCTL.OCX Remote Code Execution Vulnerability

CISA KEV entry · Last checked 30 Oct 2026, 12:10 UTC

Exploitation confirmedRansomware use knownFix: Unknown

CVSS 3.1 · NVD8.8High
EPSS100.0%100th percentile · 29 Oct 2026
CISA KEVListedAdded 3 Nov 2021

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.

Recommended action

Apply updates per vendor instructions.

CISA due date 3 May 2022 · CWE-94

Vendor advisory ↗CISA KEV entry ↗

Am I affected?

ProductAffected versionsFixed in
Microsoft MSCOMCTL.OCXUnknownUnknown

No source states a fixed version. Check the vendor advisory below.

Before you patch

Restart

See vendor guidance.

Known issues

Check release notes.

Verification

Confirm installed version.

Timeline

  • 3 Nov 2021 · Added to CISA KEV
  • 3 May 2022 · CISA due date

References

Sources checked
CISA KEV30 Oct 2026, 12:10 UTC
CVE List v530 Oct 2026, 12:10 UTC
NVD30 Oct 2026, 12:10 UTC
FIRST EPSS30 Oct 2026, 12:11 UTC

Data from CISA, MITRE, NVD and FIRST. Sources and licences.