CVE-2026-20805

5.5 MEDIUM CISA KEV - Actively Exploited

Published: January 13, 2026 Modified: January 14, 2026

Description

Exposure of sensitive information to an unauthorized actor in Desktop Windows Manager allows an authorized attacker to disclose information locally.

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

0.0 Low Medium High Critical 10.0

Vector String

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Patch Vendor Advisory Exploit Third Party Advisory

Source: secure@microsoft.com

Vendor Advisory

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0

US Government Resource

2 reference(s) from NVD

CVSS v3 Score

5.5 / 10.0

EPSS (Exploit Probability)

4.1%

89th percentile

Exploitation Status

Actively Exploited

Remediation due: 2026-02-03

CWE-200

microsoft