Microsoft Windows Kernel Stack-Based Buffer Overflow Vulnerability (CVE-2010-4398)
Severity: high · Patch status: patched · Since 2022-03-28 · CVE-2010-4398
Stack-based buffer overflow in the RtlQueryRegistryValues function in win32k.sys in Microsoft Windows allows local users to gain privileges, and bypass the User Account Control (UAC) feature. CISA added CVE-2010-4398 to its Known Exploited Vulnerabilities catalog on Mar 28, 2022, which means attackers are exploiting it in the wild.
What to do
- Apply updates per vendor instructions.
- US federal agencies must remediate by Apr 21, 2022 (BOD 22-01); treat that as the outer limit.
Sources
All live incidents on Threat Watch
