Microsoft Windows Ancillary Function Driver for WinSock Privilege Escalation Vulnerability

[ Why it matters ]Priority signals

• Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2024-08-13
• EPSS: 29% chance of exploitation in the next 30 days (higher than 98% of CVEs)

[ Description ]Official description

Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability

CISA: Microsoft Windows Ancillary Function Driver for WinSock contains an unspecified vulnerability that allows for privilege escalation, enabling a local attacker to gain SYSTEM privileges.

[ Fixes ]Fixes and patches

CISA required action (US federal deadline 3 Sep 2024): Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

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

[ References ]References

• msrc.microsoft.com/update-guide/vulnerability/CVE-2024-38193PatchVendor Advisory
• www.exploit-db.com/exploits/52284Exploit
• www.cisa.gov/known-exploited-vulnerabilities-catalogUS Government Resource