ACTIVELY EXPLOITED

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

Facts
VendorMicrosoft
ProductMSCOMCTL.OCX
Actively exploitedYes
Added to CISA KEV3 Nov 2021
CISA federal deadline3 May 2022
Ransomware useKnown
Weakness (CWE)CWE-94

Required action (CISA's text)

Apply updates per vendor instructions.

Description (NVD)

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.

SOURCES

Other Microsoft flaws

Data from NVD, CISA KEV, FIRST EPSS and vendor advisories. Updated 10 Nov 2026.