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Vulnerability record · CVE-2012-1867 · published 12 June 2012

CVE-2012-1867: Microsoft windows 2003 server integer overflow vulnerability

Microsoft · Windows 2003 Server

Integer overflow in win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 allows local users to gain privileges via a crafted TrueType font file that triggers incorrect memory allocation, aka "Font Resource Refcount Integer Overflow Vulnerability."

8.4 CVSS 3.1 High EPSS 1.2% · top 31.8% CWE-399 · CWE-399CWE-190 · Integer overflow
8.4CVSS 3.1 base score, v2 7.2
1.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
6Affected product versions listed by NVD
6References
16 Jun 2026Last modified by NVD

Description

Integer overflow in win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 allows local users to gain privileges via a crafted TrueType font file that triggers incorrect memory allocation, aka "Font Resource Refcount Integer Overflow Vulnerability."

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

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

References

LinkTags
http://www.us-cert.gov/cas/techalerts/TA12-164A.html US Government Resource
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-041
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15510
http://www.us-cert.gov/cas/techalerts/TA12-164A.html US Government Resource
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-041
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15510

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

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Source: NIST National Vulnerability Database (record CVE-2012-1867), CISA KEV, FIRST EPSS (scores of 2026-10-14). This page is refreshed as NVD updates the record.