Microsoft WinVerifyTrust function Remote Code Execution (CVE-2013-3900)
Severity: medium · Patch status: patched · Since 2022-01-10 · CVE-2013-3900
A remote code execution vulnerability exists in the way that the WinVerifyTrust function handles Windows Authenticode signature verification for PE files. CISA added CVE-2013-3900 to its Known Exploited Vulnerabilities catalog on Jan 10, 2022, which means attackers are exploiting it in the wild.
What to do
- Apply updates per vendor instructions.
- US federal agencies must remediate by Jul 10, 2022 (BOD 22-01); treat that as the outer limit.
Sources
All live incidents on Threat Watch
