CVEvulnerability

CVE-2026-20805

5.5 MEDIUM Known exploited Published 2026-01-13 Modified 2026-07-30 Official page ↗

CISA Known Exploited Vulnerability

Microsoft Windows Information Disclosure Vulnerability — Microsoft Windows

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

Added to KEV
2026-01-13
Remediation due
2026-02-03
Ransomware use
Unknown
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
Status
Analyzed
Published
2026-01-13
Last modified
2026-07-30
Assigner
[email protected]
CVSS 3.1 ([email protected])
5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Weaknesses
CWE-200

Description

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

Affected configurations

• microsoft windows 10 1607 (< 10.0.14393.8783) • microsoft windows 10 1809 (< 10.0.17763.8276) • microsoft windows 10 21h2 (< 10.0.19044.6809) • microsoft windows 10 22h2 (< 10.0.19045.6809) • microsoft windows 11 23h2 (< 10.0.22631.6491) • microsoft windows 11 24h2 (< 10.0.26100.7623) • microsoft windows 11 25h2 (< 10.0.26200.7623) • microsoft windows server 2012 • microsoft windows server 2012 r2 • microsoft windows server 2016 (< 10.0.14393.8783) • microsoft windows server 2019 (< 10.0.17763.8276) • microsoft windows server 2022 (< 10.0.20348.4648) • microsoft windows server 2022 23h2 (< 10.0.25398.2092) • microsoft windows server 2025 (< 10.0.26100.7623)

Related

Weakness · CWE (1)

  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor weakness

References