CVE-2012-0158
Microsoft MSCOMCTL.OCX contains an unspecified vulnerability that allows for remote code execution, allowing an attacker to take complete control of…
Browse: All 2012 CVEs · All vendors
- CISA KEV
- Yes — actively exploited (added 2021-11-03, remediation due 2022-05-03)
- Ransomware
- Known ransomware campaign use
- Weakness (CWE)
- CWE-94
Description
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.
Affected products
- Microsoft MSCOMCTL.OCX
Affected ranges per NVD CPE data; confirm exact versions in the vendor advisory.
Required action (CISA)
Apply updates per vendor instructions. Federal remediation deadline: 2022-05-03.
How to prioritize this
This vulnerability is on the CISA KEV list, meaning it is being actively exploited — treat it as urgent regardless of the raw CVSS number. Use the live CVE lookup for the latest NVD data, and the CVSS 3.1 calculator to model your own environmental score.
FAQ
Is CVE-2012-0158 actively exploited?
Yes. CISA added CVE-2012-0158 to its Known Exploited Vulnerabilities (KEV) catalog on 2021-11-03, with a federal remediation deadline of 2022-05-03. A KEV listing means real-world exploitation is confirmed, so patching this should be prioritized above many higher-CVSS bugs that aren't being exploited.
What is the CVSS score of CVE-2012-0158?
CVE-2012-0158 has no published CVSS base score yet — NVD analysis can lag disclosure. Check the vendor references for an interim severity.
Related vulnerabilities
- CVE-2019-1068 — Microsoft SQL Server
- CVE-2026-33824 — Microsoft Internet Key Exchange (IKE) Serv
- CVE-2026-55040 — Microsoft SharePoint
- CVE-2026-68820 — Microsoft Windows Ancillary Function Drive
- CVE-2026-50522 — Microsoft SharePoint
- CVE-2026-58644 — Microsoft SharePoint
Data source: NVD & CISA KEV. Shown as-is; nothing added. Last generated from NVD data — re-check the live tool for updates.
weekly kev brief
Patch what's actually being exploited.
One email a week: the KEV additions that matter, prioritized — no noise.
Free. No spam. Unsubscribe anytime. Delivered by Beehiiv.