What’s Vulnerable › Vulnerabilities

CVE-2011-2018

• Severity: high (CVSS 7.2 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2011-12-14 · updated 2026-06-16
• Weakness: CWE-264

Description

The kernel in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2, and Windows 7 Gold and SP1 does not properly initialize objects, which allows local users to gain privileges via a crafted application, aka "Windows Kernel Exception Handler Vulnerability."

Affected products

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

References

• http://www.us-cert.gov/cas/techalerts/TA11-347A.html
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-098
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14635
• http://www.us-cert.gov/cas/techalerts/TA11-347A.html
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-098
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14635

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