What’s Vulnerable › Vulnerabilities

CVE-2010-3956

• Severity: critical (CVSS 9.3 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 8.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2010-12-16 · updated 2026-06-16
• Weakness: CWE-94

Description

The OpenType Font (OTF) driver in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP1 and SP2, Windows Server 2008 Gold, SP2, and R2, and Windows 7 does not properly perform array indexing, which allows local users to gain privileges via a crafted OpenType font, aka "OpenType Font Index Vulnerability."

Affected products

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

References

• http://www.securitytracker.com/id?1024873
• http://www.us-cert.gov/cas/techalerts/TA10-348A.html
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2010/ms10-091
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12357
• http://www.securitytracker.com/id?1024873
• http://www.us-cert.gov/cas/techalerts/TA10-348A.html
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2010/ms10-091
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12357

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