CVE Watch—

CVE-2026-20805

Microsoft Windows Information Disclosure Vulnerability

CVSS

—

No CVSS

EPSS

5.0%

p91

KEV

YES

Jan 13, 2026

Exploit Today

0-100

Published: — · Last modified: —

EPSS · 30d

5.0%EPSS · 30 days5.0%

2026-06-302026-07-17

KEV catalog record

Product

Microsoft / Windows

Vulnerability

Microsoft Windows Information Disclosure Vulnerability

Added to KEV

Jan 13, 2026

Remediate by

Feb 3, 2026

Known ransomware use

Summary 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

https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2026-20805 ; https://nvd.nist.gov/vuln/detail/CVE-2026-20805

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