Description
Microsoft Windows Ancillary Function Driver for WinSock contains a use-after-free vulnerability that allows an authorized attacker to escalate privileges to administrator.
Recommended action
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
CISA remediation due date for U.S. federal agencies: 3 Jun 2025.
Collected automatically from public sources. Verify affected versions and fixes in the vendor's notice before acting.