Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1000 CNY

100.0%
Buy Us a Coffee

CVE-2026-20805— Desktop Window Manager Information Disclosure Vulnerability

CVSS 5.5 · Medium KEV EPSS 3.27% · P87
Get alerts for future matching vulnerabilitiesLog in to subscribe

I. Basic Information for CVE-2026-20805

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Desktop Window Manager Information Disclosure Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
Exposure of sensitive information to an unauthorized actor in Desktop Windows Manager allows an authorized attacker to disclose information locally.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
信息暴露
Source: NVD (National Vulnerability Database)
Vulnerability Title
Microsoft Desktop Windows Manager 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Desktop Windows Manager是美国微软（Microsoft）公司的一个桌面窗口管理器。 Microsoft Desktop Windows Manager存在安全漏洞。攻击者利用该漏洞可以获取敏感信息。以下产品和版本受到影响：Windows Server 2019,Windows Server 2019 (Server Core installation),Windows Server 2022,Windows Server 2022 (Server Core ins
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Shenlong Deep Dive — AI Deep Analysis

10-question deep dive: root cause, exploitation, mitigation, urgency. Read summary free, full version requires login.

Read summary Full analysis (login)

Affected Products

VendorProductAffected VersionsCPESubscribe
MicrosoftWindows 10 Version 1607 10.0.14393.0 ~ 10.0.14393.8783 -
MicrosoftWindows 10 Version 1809 10.0.17763.0 ~ 10.0.17763.8276 -
MicrosoftWindows 10 Version 21H2 10.0.19044.0 ~ 10.0.19044.6809 -
MicrosoftWindows 10 Version 22H2 10.0.19045.0 ~ 10.0.19045.6809 -
MicrosoftWindows 11 version 22H3 10.0.22631.0 ~ 10.0.22631.6491 -
MicrosoftWindows 11 Version 23H2 10.0.22631.0 ~ 10.0.22631.6491 -
MicrosoftWindows 11 Version 24H2 10.0.26100.0 ~ 10.0.26100.7623 -
MicrosoftWindows 11 Version 25H2 10.0.26200.0 ~ 10.0.26200.7623 -
MicrosoftWindows Server 2012 6.2.9200.0 ~ 6.2.9200.25868 -
MicrosoftWindows Server 2012 (Server Core installation) 6.2.9200.0 ~ 6.2.9200.25868 -
MicrosoftWindows Server 2012 R2 6.3.9600.0 ~ 6.3.9600.22968 -
MicrosoftWindows Server 2012 R2 (Server Core installation) 6.3.9600.0 ~ 6.3.9600.22968 -
MicrosoftWindows Server 2016 10.0.14393.0 ~ 10.0.14393.8783 -
MicrosoftWindows Server 2016 (Server Core installation) 10.0.14393.0 ~ 10.0.14393.8783 -
MicrosoftWindows Server 2019 10.0.17763.0 ~ 10.0.17763.8276 -
MicrosoftWindows Server 2019 (Server Core installation) 10.0.17763.0 ~ 10.0.17763.8276 -
MicrosoftWindows Server 2022 10.0.20348.0 ~ 10.0.20348.4648 -
MicrosoftWindows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.0 ~ 10.0.25398.2092 -
MicrosoftWindows Server 2025 10.0.26100.0 ~ 10.0.26100.32230 -
MicrosoftWindows Server 2025 (Server Core installation) 10.0.26100.0 ~ 10.0.26100.32230 -

II. Public POCs for CVE-2026-20805

#POC DescriptionSource LinkShenlong Link
1# CVE-2026-20805 PoC Prueba de concepto para la vulnerabilidad de divulgación de información en **Desktop Windows Manager (dwm.exe)** de Microsoft. ## 📋 Resumen de la Vulnerabilidad - **ID:** CVE-2026-20805 - **Producto:** Microsoft Windowshttps://github.com/fevar54/CVE-2026-20805-POCPOC Details
2The PoC of information disclosure in Microsoft Desktop Windows Management.https://github.com/Uzair-Baig0900/CVE-2026-20805-PoCPOC Details
3CVE‑2026‑20805: A Windows Desktop Window Manager flaw causing local information disclosure. Requires low privileges, no user interaction. Rated CVSS 5.5 (Medium). Actively exploited and listed in CISA KEV; patch released January 2026.https://github.com/mrk336/Inside-CVE-2026-20805-How-a-Windows-DWM-Flaw-Exposed-Sensitive-DataPOC Details
4### 📡 Theoretical Classification **ID:** SCTT-2026-33-0002 **Researcher:** Americo Simoes (SimoesCTT) **Physics:** Theorem 4.2 - Turbulent Phase Transition (TPT) **Constant:** α = 0.0302011 **Target:** Desktop Window Manager (dwm.exe) / Windows Graphics Component **Obsoletes:** CVE-2026-20805 & CVE-2026-20871 (Visual-Latch Patches)https://github.com/SimoesCTT/-SCTT-2026-33-0002-DWM-Visual-Field-SingularityPOC Details
5Microsoft just patched CVE-2026-20805 and CVE-2026-20871 in January 2026 to stop "Information Disclosure" and "Use-After-Free" bugs in DWM. They think they've secured the "Visual Boundary." We are about to prove that a 33-layer resonance can turn those visual buffers into a liquid pipeline for SCTT-2026-33-0002.https://github.com/SimoesCTT/SCTT-2026-33-0002-DWM-Visual-Field-SingularityPOC Details
AI-Generated POCPremium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-20805

请登录查看更多情报信息。

Same Patch Batch · Microsoft · 2026-01-13 · 112 CVEs total

CVE-2026-209639.8 CRITICALMicrosoft SharePoint Remote Code Execution Vulnerability
CVE-2026-209478.8 HIGHMicrosoft SharePoint Server Remote Code Execution Vulnerability
CVE-2026-208688.8 HIGHWindows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
CVE-2026-209528.4 HIGHMicrosoft Office Remote Code Execution Vulnerability
CVE-2026-209448.4 HIGHMicrosoft Word Remote Code Execution Vulnerability
CVE-2026-209538.4 HIGHMicrosoft Office Remote Code Execution Vulnerability
CVE-2026-208568.1 HIGHWindows Server Update Service (WSUS) Remote Code Execution Vulnerability
CVE-2026-209318.0 HIGHWindows Telephony Service Elevation of Privilege Vulnerability
CVE-2026-208577.8 HIGHWindows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability
CVE-2026-209247.8 HIGHWindows Management Services Elevation of Privilege Vulnerability
CVE-2026-209227.8 HIGHWindows NTFS Remote Code Execution Vulnerability
CVE-2026-208437.8 HIGHWindows Routing and Remote Access Service (RRAS) Elevation of Privilege Vulnerability
CVE-2026-209207.8 HIGHWin32k Elevation of Privilege Vulnerability
CVE-2026-208377.8 HIGHWindows Media Remote Code Execution Vulnerability
CVE-2026-212247.8 HIGHAzure Connected Machine Agent Elevation of Privilege Vulnerability
CVE-2026-208407.8 HIGHWindows NTFS Remote Code Execution Vulnerability
CVE-2026-209567.8 HIGHMicrosoft Excel Remote Code Execution Vulnerability
CVE-2026-208777.8 HIGHWindows Management Services Elevation of Privilege Vulnerability
CVE-2026-209517.8 HIGHMicrosoft SharePoint Server Remote Code Execution Vulnerability
CVE-2026-209467.8 HIGHMicrosoft Excel Remote Code Execution Vulnerability

Showing top 20 of 112 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Windows 10 Version 1607
Same vendor: Microsoft
Same weakness: CWE-200

V. Comments for CVE-2026-20805

No comments yet

Leave a comment