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Vulnerability record · CVE-2011-2004 · published 8 November 2011

CVE-2011-2004: Microsoft windows 7 improper input validation vulnerability

Microsoft · Windows 7

Array index error in win32k.sys in the kernel-mode drivers in Microsoft Windows Server 2008 R2 and R2 SP1 and Windows 7 Gold and SP1 allows remote attackers to cause a denial of service (reboot) via a crafted TrueType font file, aka "TrueType Font Parsing Vulnerability," a different vulnerability than CVE-2011-3402.

7.1 CVSS 2.0 High EPSS 25% · top 2.2% CWE-20 · Improper input validation
7.1CVSS 2.0 base score
25%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
6References
16 Jun 2026Last modified by NVD

Description

Array index error in win32k.sys in the kernel-mode drivers in Microsoft Windows Server 2008 R2 and R2 SP1 and Windows 7 Gold and SP1 allows remote attackers to cause a denial of service (reboot) via a crafted TrueType font file, aka "TrueType Font Parsing Vulnerability," a different vulnerability than CVE-2011-3402.

AV:N/AC:M/Au:N/C:N/I:N/A:C

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.kb.cert.org/vuls/id/675073 US Government Resource
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-084
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14133
http://www.kb.cert.org/vuls/id/675073 US Government Resource
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-084
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14133

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2011-2004), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.