Microsoft Windows Kernel Exception Handler Vulnerability

Added to KEV
2022-03-03
Federal due date
2022-03-24
Vendor
Microsoft
Product
Windows
EPSS
98.9th percentile (score 0.755, as of 2026-06-08)
NVD CVSS v3.1
Ransomware use
Unknown
Upstream
https://nvd.nist.gov/vuln/detail/CVE-2010-0232

CISA short description

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.

Required action

Apply updates per vendor instructions.

EPSS percentile is the FIRST.org exploit-probability ranking as of the date noted above; it moves daily. CVSS reflects NVD's analysis at time of publication.