Vulnerability Intelligence Report
Desktop Window Manager Information Disclosure Vulnerability
CVE-2026-20805
Exposure of sensitive information to an unauthorized actor in Desktop Windows Manager allows an authorized attacker to disclose information locally.
CISA KEV
SSVC: Active Exploitation
Information Disclosure
CVSS Base Score
5.5
MEDIUM
Exploitability:1.9
Impact Score:3.6
EPSS Probability:5.03%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-200 ↗CWE-200: Exposure of Sensitive Information to an Unauthorized Actor
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| Microsoft | Windows 10 Version 1607 | 10.0.14393.0 < 10.0.14393.8783 (affected) |
| Microsoft | Windows 10 Version 1809 | 10.0.17763.0 < 10.0.17763.8276 (affected) |
| Microsoft | Windows 10 Version 21H2 | 10.0.19044.0 < 10.0.19044.6809 (affected) |
| Microsoft | Windows 10 Version 22H2 | 10.0.19045.0 < 10.0.19045.6809 (affected) |
| Microsoft | Windows 11 version 23H2 | 10.0.22631.0 < 10.0.22631.6491 (affected) |
| Microsoft | Windows 11 Version 23H2 | 10.0.22631.0 < 10.0.22631.6491 (affected) |
| Microsoft | Windows 11 Version 24H2 | 10.0.26100.0 < 10.0.26100.7623 (affected) |
| Microsoft | Windows 11 Version 25H2 | 10.0.26200.0 < 10.0.26200.7623 (affected) |
| Microsoft | Windows Server 2012 | 6.2.9200.0 < 6.2.9200.25868 (affected) |
| Microsoft | Windows Server 2012 (Server Core installation) | 6.2.9200.0 < 6.2.9200.25868 (affected) |
| Microsoft | Windows Server 2012 R2 | 6.3.9600.0 < 6.3.9600.22968 (affected) |
| Microsoft | Windows Server 2012 R2 (Server Core installation) | 6.3.9600.0 < 6.3.9600.22968 (affected) |
| Microsoft | Windows Server 2016 | 10.0.14393.0 < 10.0.14393.8783 (affected) |
| Microsoft | Windows Server 2016 (Server Core installation) | 10.0.14393.0 < 10.0.14393.8783 (affected) |
| Microsoft | Windows Server 2019 | 10.0.17763.0 < 10.0.17763.8276 (affected) |
| Microsoft | Windows Server 2019 (Server Core installation) | 10.0.17763.0 < 10.0.17763.8276 (affected) |
| Microsoft | Windows Server 2022 | 10.0.20348.0 < 10.0.20348.4648 (affected) |
| Microsoft | Windows Server 2022, 23H2 Edition (Server Core installation) | 10.0.25398.0 < 10.0.25398.2092 (affected) |
| Microsoft | Windows Server 2025 | 10.0.26100.0 < 10.0.26100.32230 (affected) |
| Microsoft | Windows Server 2025 (Server Core installation) | 10.0.26100.0 < 10.0.26100.32230 (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
CISA KEV
ACTIVE IN CATALOG
EPSS Score
5.028%
GitHub Advisory
Vulnerability Class
Information Disclosure
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Microsoft Corporation · Vendor · USA |
| Reserved | 2025-12-03T05:54:20 |
| Published | 2026-01-13T17:56:08 |
| Patch Date | 2026-01-13 |
| Last Updated | 2026-07-30T20:46:25 |
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