CVE-2026-20805
5.5MEDIUMExposure of sensitive information to an unauthorized actor in Desktop Windows Manager allows an authorized attacker to disclose information locally.
Published: 1/13/2026Updated: 1/14/2026
CISA Known Exploited Vulnerability
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.
Due Date:
2026-02-03
Description
Exposure of sensitive information to an unauthorized actor in Desktop Windows Manager allows an authorized attacker to disclose information locally.
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Affected Products
microsoftwindows_10_1607
microsoftwindows_10_1607
microsoftwindows_10_1809
microsoftwindows_10_1809
microsoftwindows_10_21h2
microsoftwindows_10_22h2
microsoftwindows_11_23h2
microsoftwindows_11_24h2
microsoftwindows_11_25h2
microsoftwindows_server_2012
-
microsoftwindows_server_2012
r2
microsoftwindows_server_2016
microsoftwindows_server_2019
microsoftwindows_server_2022
microsoftwindows_server_2022_23h2
microsoftwindows_server_2025