{"cvss":7.8,"datePublished":"2026-09-08T00:00:00Z","dateUpdated":"2026-09-08T00:00:00Z","description":"Microsoft Windows Update Stack contains a link following vulnerability that allows a local attacker to escalate privileges locally up to SYSTEM.","dueDate":"2026-09-22T00:00:00Z","id":"CVE-2026-81963","kev_catalogs":["vulncheck"],"knownRansomwareCampaignUse":"Unknown","product":"Windows","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 Link Following Vulnerability","vendor":"Microsoft"}