{"cvss":7.0,"datePublished":"2026-08-11T00:00:00Z","dateUpdated":"2026-08-11T00:00:00Z","description":"Microsoft Windows Ancillary Function Driver for WinSock contains a use-after-free vulnerability that allows an authorized attacker to elevate privileges locally.","dueDate":"2026-08-25T00:00:00Z","id":"CVE-2026-68820","kev_catalogs":["vulncheck"],"knownRansomwareCampaignUse":"Unknown","product":"Windows Ancillary Function Driver for WinSock ","requiredAction":"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) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.","severity":"HIGH","source":"vulncheck_kev","title":"Microsoft Windows Ancillary Function Driver for WinSock Use-After-Free Vulnerability","vendor":"Microsoft"}