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CVE-2026-20805

CISA KEV

Published January 13, 2026 · Updated April 3, 2026

high
Official Description+

Microsoft Windows Desktop Windows Manager contains an information disclosure vulnerability that allows an authorized attacker to disclose information locally.

Affected Products

VendorProduct
MicrosoftWindows

Patch Status

Patch by 2026-02-03

Recommended Actions

  1. Check if your systems use any of the affected products listed above.
  2. Apply vendor patches immediately if available.
  3. This vulnerability is in CISA's Known Exploited Vulnerabilities catalog — prioritize remediation.
  4. Monitor vendor advisories for updates and additional mitigations.
  5. Review logs for indicators of compromise related to CVE-2026-20805.