high
CISA KEV
CVE-2025-21418
Microsoft Windows Ancillary Function Driver for WinSock Heap-Based Buffer Overflow Vulnerability
// Description
Microsoft Windows Ancillary Function Driver for WinSock contains a heap-based buffer overflow vulnerability that allows for privilege escalation, enabling a local attacker to gain SYSTEM privileges.
// Required action
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Federal remediation due Mar 4, 2025 — past due
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