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CVE-2026-61933— Windows DWM Core Library Information Disclosure Vulnerability

Quick assessment

Affected
Microsoft Windows 11 Version 24H2
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Microsoft DWM Core Library是美国Microsoft公司的一个windows的核心库。 Microsoft DWM Core Library 存在缓冲区错误漏洞，该漏洞源于Windows DWM Core Library存在越界读取，可能导致授权攻击者在本地泄露信息。以下产品及版本受到影响：Windows 11 Version 24H2 10.0.26100.0至10.0.26100.9168之前版本、Windows 11 Version 25H2 10.0.26200.0至10.

CVSS 5.5 · Medium EPSS 0.39% · P32

Possible ATT&CK Techniques 1 AI

T1005 · Data from Local System

Affected Version Matrix 5

VendorProduct Version RangeStatus
Microsoft Windows 11 Version 24H2 10.0.26100.0< 10.0.26100.9168 affected
Microsoft Windows 11 Version 25H2 10.0.26200.0< 10.0.26200.9168 affected
Microsoft Windows 11 version 26H1 10.0.28000.0< 10.0.28000.2704 affected
Microsoft Windows Server 2025 10.0.26100.0< 10.0.26100.33296 affected
Microsoft Windows Server 2025 (Server Core installation) 10.0.26100.0< 10.0.26100.33296 affected
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I. Basic Information for CVE-2026-61933

Vulnerability Information
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Vulnerability Title
Windows DWM Core Library Information Disclosure Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Out-of-bounds read in Windows DWM Core Library allows an authorized attacker to disclose information locally.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存读
Source: CVE Program / CVE List V5
Vulnerability Title
Microsoft DWM Core Library 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft DWM Core Library是美国Microsoft公司的一个windows的核心库。 Microsoft DWM Core Library 存在缓冲区错误漏洞，该漏洞源于Windows DWM Core Library存在越界读取，可能导致授权攻击者在本地泄露信息。以下产品及版本受到影响：Windows 11 Version 24H2 10.0.26100.0至10.0.26100.9168之前版本、Windows 11 Version 25H2 10.0.26200.0至10.
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)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Microsoft Windows 11 Version 24H2 10.0.26100.0 ~ 10.0.26100.9168 -
Microsoft Windows 11 Version 25H2 10.0.26200.0 ~ 10.0.26200.9168 -
Microsoft Windows 11 version 26H1 10.0.28000.0 ~ 10.0.28000.2704 -
Microsoft Windows Server 2025 10.0.26100.0 ~ 10.0.26100.33296 -
Microsoft Windows Server 2025 (Server Core installation) 10.0.26100.0 ~ 10.0.26100.33296 -

II. Public POCs for CVE-2026-61933

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III. Intelligence Information for CVE-2026-61933

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Vendor Advisories for CVE-2026-61933 (1)

Same Patch Batch · Microsoft · 2026-08-11 · 402 CVEs total

CVE-2026-62878 9.8 CRITICAL Windows DNS Server Remote Code Execution Vulnerability
CVE-2026-65791 9.8 CRITICAL Windows iSCSI Target Service Remote Code Execution Vulnerability
CVE-2026-59124 9.8 CRITICAL Microsoft High Performance Computing (HPC) Pack Remote Code Execution Vulnerability
CVE-2026-62893 9.8 CRITICAL Windows Deployment Services TFTP Server Remote Code Execution Vulnerability
CVE-2026-62815 9.8 CRITICAL Microsoft QUIC Remote Code Execution Vulnerability
CVE-2026-50516 9.4 CRITICAL Microsoft Azure Kubernetes Service Elevation of Privilege Vulnerability
CVE-2026-70306 9.3 CRITICAL Microsoft Office SharePoint Spoofing Vulnerability
CVE-2026-70329 8.8 HIGH Microsoft Outlook Remote Code Execution Vulnerability
CVE-2026-65665 8.8 HIGH Microsoft SharePoint Server Remote Code Execution Vulnerability
CVE-2026-62824 8.8 HIGH Remote Desktop Client Remote Code Execution Vulnerability
CVE-2026-62822 8.8 HIGH Windows GDI+ Remote Code Execution Vulnerability
CVE-2026-62872 8.8 HIGH .NET Framework Elevation of Privilege Vulnerability
CVE-2026-65767 8.8 HIGH Microsoft Teams for Android Spoofing Vulnerability
CVE-2026-65663 8.8 HIGH Microsoft SharePoint Server Remote Code Execution Vulnerability
CVE-2026-65658 8.8 HIGH Microsoft SharePoint Server Remote Code Execution Vulnerability
CVE-2026-70336 8.8 HIGH Visual Studio Code Remote Code Execution Vulnerability
CVE-2026-62790 8.8 HIGH Windows SMBv3 Server Remote Code Execution Vulnerability
CVE-2026-62800 8.8 HIGH Windows SMBv3 Server Remote Code Execution Vulnerability
CVE-2026-69320 8.8 HIGH Visual Studio Code Remote Code Execution Vulnerability
CVE-2026-66808 8.8 HIGH Microsoft SharePoint Server Remote Code Execution Vulnerability

Showing top 20 of 402 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Windows 11 Version 24H2
Same vendor: Microsoft
Same weakness: CWE-125

V. Comments for CVE-2026-61933

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