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THREAT OPS › Threat News › [CISA KEV] CVE-2026-68820 — Microsoft Windows Ancillary Function Driver for WinSock : Microsoft Windows Ancillary Function Driver for WinSock Use-After-Free Vulnerability

[CISA KEV] CVE-2026-68820 — Microsoft Windows Ancillary Function Driver for WinSock : Microsoft Windows Ancillary Function Driver for WinSock Use-After-Free Vulnerability

medcisa_kevPublished 2026-08-11

CVE: CVE-2026-68820 Vendor: Microsoft Product: Windows Ancillary Function Driver for WinSock Vulnerability: Microsoft Windows Ancillary Function Driver for WinSock Use-After-Free Vulnerability Date Added: 2026-08-11 Required Action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) gui

MITRE ATT&CK techniques

Cloud ServicesT1021.007

Indicators of compromise

CVE-2026-68820cve

Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-68820