Vulnerability Description
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 does not properly validate callback parameters during creation of a hook procedure, which allows local users to gain privileges via a crafted application, aka "Win32k Incorrect Type Handling Vulnerability."
CVSS Score
HIGH
Affected Products
| Vendor | Product | 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 | All versions |
Related Weaknesses (CWE)
References
- http://www.us-cert.gov/cas/techalerts/TA12-192A.htmlUS Government Resource
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-04
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3
- http://www.us-cert.gov/cas/techalerts/TA12-192A.htmlUS Government Resource
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-04
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3
FAQ
What is CVE-2012-1893?
CVE-2012-1893 is a vulnerability with a CVSS score of 7.2 (HIGH). 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 does not prop...
How severe is CVE-2012-1893?
CVE-2012-1893 has been rated HIGH with a CVSS base score of 7.2/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2012-1893?
Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Windows 7, Microsoft Windows Server 2003, Microsoft Windows Server 2008, Microsoft Windows Vista, Microsoft Windows Xp.