CVE-2012-1893

high
Published 2012-07-10 · Modified 2026-04-29
CVSS v3
CVSS v2
7.2
VIR risk
7.2

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."

Predictions

Exploit likelihood
20%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No vendor mitigations ingested yet for this CVE. The mitigation-content worker queues fetches as references arrive — check back in a few minutes, or see the references list below.

OS impact

OSVersionStatusFixed in
windows windowsaffected
windows windowsr2affected
windows windows-affected

References

CWEs

CWE-20

Verify integrity in audit chain (admin only). AS-IS.