Microsoft Windows Authenticode Signature Verification Remote Code Execution Vulnerability

Added to KEV
2022-06-08
Federal due date
2022-06-22
Vendor
Microsoft
Product
Windows
EPSS
99.5th percentile (score 0.890, as of 2026-06-08)
NVD CVSS v3.1
Ransomware use
Unknown
Upstream
https://nvd.nist.gov/vuln/detail/CVE-2012-0151

CISA short description

The Authenticode Signature Verification function in Microsoft Windows (WinVerifyTrust) does not properly validate the digest of a signed portable executable (PE) file, which allows user-assisted remote attackers to execute code.

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.