CVE-2009-1123

microsoft windows 2000, microsoft windows server 2003, microsoft windows server 2008

Published 10 Jun 2009 · updated 16 Jun 2026 · Analyzed

7.8 High · CVSS 3.1, NVD

Exploited in the wild

CISA added this to its Known Exploited Vulnerabilities catalog on 3 Mar 2022, with a remediation deadline of 24 Mar 2022 for US federal agencies.

Required action: Apply updates per vendor instructions.

Description

The kernel in Microsoft Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP2, Vista Gold, SP1, and SP2, and Server 2008 SP2 does not properly validate changes to unspecified kernel objects, which allows local users to gain privileges via a crafted application, aka "Windows Kernel Desktop Vulnerability."

References

osvdb.org/54940 · Broken Link
secunia.com/advisories/35372 · Broken Link
www.securitytracker.com/id?1022359 · Broken Link, Third Party Advisory, VDB Entry
www.us-cert.gov/cas/techalerts/TA09-160A.html · Broken Link, Third Party Advisory, US Government Resource
www.vupen.com/english/advisories/2009/1544 · Broken Link
docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-025 · Patch, Vendor Advisory
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6206 · Broken Link
www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2009-1123 · US Government Resource