The Authenticode Signature Verification function in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2, R2, and R2 SP1, Windows 7 Gold and SP1, and Windows 8 Consumer Preview does not properly validate the digest of a signed portable executable (PE) file, which allows user-assisted remote attackers to execute arbitrary code via a modified file with additional content, aka "WinVerifyTrust Signature Validation Vulnerability."
Conclusion & alert: CVE-2012-0151 is rated Critical Active Threat (90.9/100): CVSS High severity, with high exploitation likelihood (EPSS 88.78%, 100th percentile). Core evidence: CISA KEV confirms active exploitation (added 2022-06-08) affecting Microsoft / Windows. a weakness (CWE-20) Unauthenticated remote administrative access may be possible. Mandatory action: The CISA remediation deadline has passed—treat as an emergency patch priority.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
: Microsoft Windows Authenticode Signature Verification Remote Code Execution Vulnerability · CISA KEV detail
: 2022-06-08
: 2022-06-22
: Apply updates per vendor instructions.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 89.01% | 88.78% | -0.23% |
| 2 | 2026-02-07 | 86.64% | 89.01% | +2.37% |
| 3 | 2025-12-28 | — | 86.64% | — |
Full EPSS history (32 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.8 | 3.1 | HIGH |
|
1.8 | 5.9 | [email protected] |
| 7.8 | 3.1 | HIGH |
|
1.8 | 5.9 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| 9.3 | 2.0 | HIGH |
|
8.6 | 10.0 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| microsoft | windows_7 | — | cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:x64:* |
| microsoft | windows_7 | — | cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:x86:* |
| microsoft | windows_server_2003 | — | cpe:2.3:o:microsoft:windows_server_2003:-:sp2:*:*:*:*:*:* |
| microsoft | windows_server_2008 | — | cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:itanium:* |
| microsoft | windows_server_2008 | — | cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:x64:* |
| microsoft | windows_server_2008 | r2 | cpe:2.3:o:microsoft:windows_server_2008:r2:*:*:*:*:*:itanium:* |
| microsoft | windows_server_2008 | r2 | cpe:2.3:o:microsoft:windows_server_2008:r2:*:*:*:*:*:x64:* |
| microsoft | windows_vista | — | cpe:2.3:o:microsoft:windows_vista:-:sp2:*:*:*:*:*:* |
| microsoft | windows_xp | — | cpe:2.3:o:microsoft:windows_xp:-:sp2:*:*:*:*:x64:* |
| microsoft | windows_xp | — | cpe:2.3:o:microsoft:windows_xp:-:sp3:*:*:*:*:*:* |
| microsoft | windows_7 | — | cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:*:* |
| microsoft | windows_server_2008 | — | cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:* |
| microsoft | windows_server_2008 | r2 | cpe:2.3:o:microsoft:windows_server_2008:r2:*:*:*:*:*:*:* |
| microsoft | windows_server_2008 | r2 | cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:*:* |
| microsoft | windows_xp | — | cpe:2.3:o:microsoft:windows_xp:-:sp2:*:*:professional:*:x64:* |
| URL | Tags |
|---|---|
| http://osvdb.org/81135 | Broken Link |
| http://secunia.com/advisories/48581 | Broken Link |
| http://www.securitytracker.com/id?1026906 | Broken Link Third Party Advisory VDB Entry |
| http://www.us-cert.gov/cas/techalerts/TA12-101A.html | Third Party Advisory US Government Resource |
| https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-024 | Patch Vendor Advisory |
| https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15594 | Broken Link |
| https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2012-0151 | US Government Resource |