What’s Vulnerable › Vulnerabilities

CVE-2013-3887

• Severity: medium (CVSS 4.9 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2013-11-13 · updated 2026-06-16
• Weakness: CWE-200

Description

The Ancillary Function Driver (AFD) in afd.sys in the kernel-mode drivers in Microsoft Windows XP SP2, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, and Windows Server 2012 allows local users to obtain sensitive information from kernel memory by leveraging improper copy operations, aka "Ancillary Function Driver Information Disclosure Vulnerability."

Affected products

• Microsoft Windows 7: all versions
• Microsoft Windows 8: all versions
• Microsoft Windows Server 2003: all versions
• Microsoft Windows Server 2008: all versions
• Microsoft Windows Server 2012: all versions
• Microsoft Windows Vista: all versions
• Microsoft Windows XP Service Pack 3: all versions

References

• http://www.us-cert.gov/ncas/alerts/TA13-317A
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-093
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18805
• http://www.us-cert.gov/ncas/alerts/TA13-317A
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-093
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18805

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