Microsoft Windows Kernel Privilege Escalation Vulnerability

[ Why it matters ]Priority signals

• Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2022-03-03
• EPSS: 35% chance of exploitation in the next 30 days (higher than 98% of CVEs)

[ Description ]Official description

NDProxy.sys in the kernel in Microsoft Windows XP SP2 and SP3 and Server 2003 SP2 allows local users to gain privileges via a crafted application, as exploited in the wild in November 2013.

CISA: Microsoft Windows NDProxy.sys in the kernel contains an improper input validation vulnerability which can allow a local attacker to escalate privileges.

[ Fixes ]Fixes and patches

CISA required action (US federal deadline 24 Mar 2022): Apply updates per vendor instructions.

• Patch on technet.microsoft.comVendor patch or bulletin · NVD · Reference tagged 'Patch' by NVD
• Patch on docs.microsoft.comVendor patch or bulletin · NVD · Reference tagged 'Patch' by NVD

[ References ]References

• technet.microsoft.com/security/advisory/2914486PatchVendor Advisory
• www.fireeye.com/blog/technical/cyber-exploits/2013/11/ms-windows-local-privilege-escala…Broken LinkNot Applicable
• docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-002PatchVendor Advisory
• www.exploit-db.com/exploits/37732ExploitThird Party AdvisoryVDB Entry
• www.cisa.gov/known-exploited-vulnerabilities-catalogUS Government Resource