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CVE-2026-20805

KEV

Microsoft Windows Information Disclosure Vulnerability

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Vendor / Project
Microsoft
Product
Windows
Date added
Jan 13, 2026
Due date
Feb 3, 2026
Known ransomware use
Unknown
CWEs
CWE-200

Description

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

Required action

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Notes