CVE-2011-1874

HIGH

Microsoft Windows - Use After Free

Title source: llm

Description

Use-after-free vulnerability in win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP1 and SP2, Windows Server 2008 Gold, SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 allows local users to gain privileges via a crafted application that leverages incorrect driver object management, a different vulnerability than other CVEs listed in MS11-054, aka "Win32k Use After Free Vulnerability."

References (8)

[Third Party Advisory, VDB Entry] http://osvdb.org/73777

[Vendor Advisory] http://support.avaya.com/css/P8/documents/100144947

[US Government Resource] http://www.us-cert.gov/cas/techalerts/TA11-193A.html

[Vendor Advisory] https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-054

[Third Party Advisory, VDB Entry] http://www.securityfocus.com/bid/48587

[Third Party Advisory, VDB Entry] https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12585

[Third Party Advisory, VDB Entry] http://www.securitytracker.com/id?1025761

[Third Party Advisory] http://secunia.com/advisories/45186

Scores

CVSS v3 7.8

EPSS 0.0103

EPSS Percentile 77.1%

Attack Vector LOCAL

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

Classification

CWE

CWE-399 CWE-416

Status draft

Affected Products (17)

microsoft/windows_2003_server

microsoft/windows_7

microsoft/windows_7

microsoft/windows_7

microsoft/windows_server_2003

microsoft/windows_server_2008

microsoft/windows_server_2008

microsoft/windows_server_2008

microsoft/windows_server_2008

microsoft/windows_server_2008

microsoft/windows_server_2008

microsoft/windows_server_2008

microsoft/windows_server_2008

microsoft/windows_vista

microsoft/windows_vista

... and 2 more

Timeline

Published Jul 13, 2011

Tracked Since Feb 18, 2026