CVE-2010-0232: in the CISA KEV catalogue
Microsoft Windows Kernel Exception Handler Vulnerability. CISA added CVE-2010-0232 to the Known Exploited Vulnerabilities catalogue on 2022-03-03 with a default due date of 2022-03-24. Known ransomware campaign use: Unknown. Forensic triage flag: No.
The kernel in Microsoft Windows, when access to 16-bit applications is enabled on a 32-bit x86 platform, does not properly validate certain BIOS calls, which allows local users to gain privileges. (CISA description)
- Vendor / product
- Microsoft Windows
- CWE
- CWE-264
- CISA required action
- Apply updates per vendor instructions.
- EPSS
- 29%, percentile 98 (scored 2026-11-03)
EPSS puts about 29 in 100 odds (29%) on exploitation activity being observed in the next 30 days. Its score is higher than or equal to that of 98% of scored CVEs. This is a model estimate about exploitation anywhere, not about your environment.
Vendor and reference links (from CISA)
Your own deadline under CISA BOD 26-04 depends on exposure, automatability and technical impact: work it out with the BOD 26-04 calculator.
Frequently asked questions
Is CVE-2010-0232 in the CISA KEV catalogue?
Yes. CISA added CVE-2010-0232 (Microsoft Windows Kernel Exception Handler Vulnerability) to the Known Exploited Vulnerabilities catalogue on 2022-03-03. CISA's default due date for it is 2022-03-24.
Is CVE-2010-0232 used in ransomware attacks?
CISA marks known ransomware campaign use as Unknown for CVE-2010-0232. That means CISA lacks confirmation, not that ransomware groups do not use it.
What should I do about CVE-2010-0232?
CISA's required action: Apply updates per vendor instructions.
Sources
- CISA, Known Exploited Vulnerabilities Catalog (accessed 2026-11-03)
- FIRST, Exploit Prediction Scoring System (EPSS) (EPSS by FIRST; scores generated by Empirical Security)
- NVD record for CVE-2010-0232