CVE ID
CVE-2026-81963
Vulnerability Name
Microsoft Windows Link Following Vulnerability
- Project: Microsoft
- Product: Windows
Date
- Date Added: 2026-09-08
- Due Date: 2026-09-22
Description
Microsoft Windows Update Stack contains a link following vulnerability that allows a local attacker to escalate privileges locally up to SYSTEM.
Known To Be Used in Ransomware Campaigns?
Unknown
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) 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.
Additional Notes
https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2026-81963 ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-81963
Related Security News
- Microsoft Patches Record 974 Flaws, Including Two Exploited Windows Zero-Days
- Microsoft September 2026 Patch Tuesday fixes 966 flaws, 2 zero-days
Top comments (0)