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Vulnerabilities CVE-2026-20805

CVE-2026-20805

Medium
Open
KEV
TLP:CLEAR

Desktop Window Manager Information Disclosure Vulnerability

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Description

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

Details

CVSS Score
5.5
EPSS Score
5.12%

91.6th percentile

CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C
Confidence
100%
Published
Jan 13, 2026
Last Modified
Jul 30, 2026
CISA KEV
Date Added
Jan 13, 2026
Patch Due
Feb 3, 2026
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.
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