CISA Known Exploited Vulnerability
This vulnerability is actively exploited in the wild and listed in the CISA Known Exploited Vulnerabilities catalog.
Remediation Deadline: Feb 3, 2026
High
CISA KEVCVE-2026-20805
Microsoft—Windows
Microsoft Windows Desktop Windows Manager contains an information disclosure vulnerability that allows an authorized attacker to disclose information locally.
Required Action
https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2026-20805 ; https://nvd.nist.gov/vuln/detail/CVE-2026-20805
Vulnerability Overview
- Severity
- High
- CISA KEV
- Yes
- Ransomware
- Unknown
- Published
- Jan 13, 2026
- KEV Added
- Jan 13, 2026
- Due Date
- Feb 3, 2026
- Related Articles
- 0
Vendor
Microsoft
Windows