CISA-confirmed known exploited vulnerability

CVE-2012-0158

Microsoft MSCOMCTL.OCX Remote Code Execution Vulnerability

Microsoft · MSCOMCTL.OCX

Vulnerability details

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.

Added to CISA KEV: 2021-11-03

Ransomware campaign use: Known

CISA due date: 2022-05-03

Defensive guidance from CISA

Apply updates per vendor instructions.

This is the source's required-action field, not an independently validated patch procedure. Refer to the vendor for exact affected versions and fixes.

Source catalog date: 2026-11-06T19:44:45.1797Z · Last retrieved: 2026-11-06 21:02:26 UTC

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