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CVE-2026-62888— Windows DWM Core Library Elevation of Privilege Vulnerability

CVSS 7.8 · High EPSS 1.83% · P77

Possible ATT&CK Techniques 1AI

T1203 · Exploitation for Client Execution

Affected Version Matrix 10

VendorProductVersion RangeStatus
MicrosoftWindows 10 Version 21H210.0.19044.0< 10.0.19044.7663affected
MicrosoftWindows 10 Version 22H210.0.19045.0< 10.0.19045.7663affected
MicrosoftWindows 11 version 23H210.0.22631.0< 10.0.22631.7517affected
MicrosoftWindows 11 Version 23H210.0.22631.0< 10.0.22631.7517affected
MicrosoftWindows 11 Version 24H210.0.26100.0< 10.0.26100.9168affected
MicrosoftWindows 11 Version 25H210.0.26200.0< 10.0.26200.9168affected
MicrosoftWindows 11 version 26H110.0.28000.0< 10.0.28000.2704affected
MicrosoftWindows Server 202210.0.20348.0< 10.0.20348.5499affected
MicrosoftWindows Server 202510.0.26100.0< 10.0.26100.33296affected
MicrosoftWindows Server 2025 (Server Core installation)10.0.26100.0< 10.0.26100.33296affected
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I. Basic Information for CVE-2026-62888

Vulnerability Information
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Vulnerability Title
Windows DWM Core Library Elevation of Privilege Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Use after free in Windows DWM Core Library allows an authorized attacker to elevate privileges 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:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
释放后使用
Source: CVE Program / CVE List V5
Vulnerability Title
Microsoft DWM Core Library 资源管理错误漏洞
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 存在资源管理错误漏洞，该漏洞源于Windows DWM Core Library存在释放后重用漏洞，可能导致授权攻击者在本地提升权限。
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

VendorProductAffected VersionsCPESubscribe
MicrosoftWindows 10 Version 21H2 10.0.19044.0 ~ 10.0.19044.7663 -
MicrosoftWindows 10 Version 22H2 10.0.19045.0 ~ 10.0.19045.7663 -
MicrosoftWindows 11 version 23H2 10.0.22631.0 ~ 10.0.22631.7517 -
MicrosoftWindows 11 Version 23H2 10.0.22631.0 ~ 10.0.22631.7517 -
MicrosoftWindows 11 Version 24H2 10.0.26100.0 ~ 10.0.26100.9168 -
MicrosoftWindows 11 Version 25H2 10.0.26200.0 ~ 10.0.26200.9168 -
MicrosoftWindows 11 version 26H1 10.0.28000.0 ~ 10.0.28000.2704 -
MicrosoftWindows Server 2022 10.0.20348.0 ~ 10.0.20348.5499 -
MicrosoftWindows Server 2025 10.0.26100.0 ~ 10.0.26100.33296 -
MicrosoftWindows Server 2025 (Server Core installation) 10.0.26100.0 ~ 10.0.26100.33296 -

II. Public POCs for CVE-2026-62888

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III. Intelligence Information for CVE-2026-62888

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Vendor Advisories for CVE-2026-62888 (1)

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

CVE-2026-591249.8 CRITICALMicrosoft High Performance Computing (HPC) Pack Remote Code Execution Vulnerability
CVE-2026-657919.8 CRITICALWindows iSCSI Target Service Remote Code Execution Vulnerability
CVE-2026-628789.8 CRITICALWindows DNS Server Remote Code Execution Vulnerability
CVE-2026-628159.8 CRITICALMicrosoft QUIC Remote Code Execution Vulnerability
CVE-2026-628939.8 CRITICALWindows Deployment Services TFTP Server Remote Code Execution Vulnerability
CVE-2026-505169.4 CRITICALMicrosoft Azure Kubernetes Service Elevation of Privilege Vulnerability
CVE-2026-703069.3 CRITICALMicrosoft Office SharePoint Spoofing Vulnerability
CVE-2026-703298.8 HIGHMicrosoft Outlook Remote Code Execution Vulnerability
CVE-2026-628168.8 HIGHWindows Reliable Multicast Transport Driver (RMCAST) Remote Code Execution Vulnerability
CVE-2026-649218.8 HIGHMicrosoft SharePoint Server Elevation of Privilege Vulnerability
CVE-2026-657678.8 HIGHMicrosoft Teams for Android Spoofing Vulnerability
CVE-2026-628188.8 HIGHWindows Active Directory Certificate Services (AD CS) Remote Code Execution Vulnerability
CVE-2026-571048.8 HIGHAzure Storage Explorer Elevation of Privilege Vulnerability
CVE-2026-668088.8 HIGHMicrosoft SharePoint Server Remote Code Execution Vulnerability
CVE-2026-628008.8 HIGHWindows SMBv3 Server Remote Code Execution Vulnerability
CVE-2026-703368.8 HIGHVisual Studio Code Remote Code Execution Vulnerability
CVE-2026-627908.8 HIGHWindows SMBv3 Server Remote Code Execution Vulnerability
CVE-2026-628248.8 HIGHRemote Desktop Client Remote Code Execution Vulnerability
CVE-2026-629138.8 HIGHMicrosoft Exchange Server Remote Code Execution Vulnerability
CVE-2026-703378.8 HIGHMicrosoft PowerShell Remote Code Execution Vulnerability

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

IV. Related Vulnerabilities

Same product: Windows 10 Version 21H2
Same vendor: Microsoft
Same weakness: CWE-416

V. Comments for CVE-2026-62888

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