CVE-2012-0157

HIGH

Windows win32k.sys - Local Privilege Escalation via PostMessage Function

Title source: llm
STIX 2.1

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 handle window messaging, which allows local users to gain privileges via a crafted application that calls the PostMessage function, aka "PostMessage Function Vulnerability."

References (4)

Core 4
Core References
US Government Resource third-party-advisory x_refsource_cert
http://www.us-cert.gov/cas/techalerts/TA12-073A.html
Third Party Advisory, VDB Entry vdb-entry signature x_refsource_oval
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14217
Third Party Advisory, VDB Entry vdb-entry x_refsource_osvdb
http://osvdb.org/80002

Scores

CVSS v3 8.4
EPSS 0.0144
EPSS Percentile 70.1%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-20
Status published
Products (6)
microsoft/windows_7 (4 CPE variants)
microsoft/windows_server_2003
microsoft/windows_server_2008 (3 CPE variants)
microsoft/windows_server_2008 r2 (2 CPE variants)
microsoft/windows_vista
microsoft/windows_xp (2 CPE variants)
Published Mar 13, 2012
Tracked Since Feb 18, 2026