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CVE-2026-35421— Windows GDI Remote Code Execution Vulnerability

Quick assessment

Affected
Microsoft Windows 10 Version 1607
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 Windows GDI是美国微软（Microsoft）公司的一个Windows操作系统中负责在屏幕或打印机上绘制图形对象、管理字体和处理图像的核心底层标准接口。 Microsoft Windows GDI存在安全漏洞。攻击者利用该漏洞可以远程执行代码。以下产品和版本受到影响：Windows 11 Version 23H2 for ARM64-based Systems,Windows 11 Version 23H2 for x64-based Systems,Windows Serve

CVSS 7.8 · High EPSS 0.53% · P43

Affected Version Matrix 21

VendorProduct Version RangeStatus
Microsoft Windows 10 Version 1607 10.0.14393.0< 10.0.14393.9140 affected
Microsoft Windows 10 Version 1809 10.0.17763.0< 10.0.17763.8755 affected
Microsoft Windows 10 Version 21H2 10.0.19044.0< 10.0.19044.7291 affected
Microsoft Windows 10 Version 22H2 10.0.19045.0< 10.0.19045.7417 affected
Microsoft Windows 11 version 23H2 10.0.22631.0< 10.0.22631.7079 affected
Microsoft Windows 11 Version 23H2 10.0.22631.0< 10.0.22631.7219 affected
Microsoft Windows 11 Version 24H2 10.0.26100.0< 10.0.26100.8457 affected
Microsoft Windows 11 Version 25H2 10.0.26200.0< 10.0.26200.8457 affected
Microsoft Windows 11 version 26H1 10.0.28000.0< 10.0.28000.2113 affected
Microsoft Windows Server 2012 6.2.9200.0< 6.2.9200.26079 affected
Microsoft Windows Server 2012 (Server Core installation) 6.2.9200.0< 6.2.9200.26079 affected
Microsoft Windows Server 2012 R2 6.3.9600.0< 6.3.9600.23181 affected
Microsoft Windows Server 2012 R2 (Server Core installation) 6.3.9600.0< 6.3.9600.23181 affected
Microsoft Windows Server 2016 10.0.14393.0< 10.0.14393.9140 affected
Microsoft Windows Server 2016 (Server Core installation) 10.0.14393.0< 10.0.14393.9140 affected
Microsoft Windows Server 2019 10.0.17763.0< 10.0.17763.8755 affected
Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.0< 10.0.17763.8755 affected
Microsoft Windows Server 2022 10.0.20348.0< 10.0.20348.5139 affected
Microsoft Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.0< 10.0.25398.2330 affected
Microsoft Windows Server 2025 10.0.26100.0< 10.0.26100.32860 affected
Microsoft Windows Server 2025 (Server Core installation) 10.0.26100.0< 10.0.26100.32860 affected
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I. Basic Information for CVE-2026-35421

Vulnerability Information
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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
Windows GDI Remote Code Execution Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Heap-based buffer overflow in Windows GDI allows an unauthorized attacker to execute code locally.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
堆缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
Microsoft Windows GDI 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Windows GDI是美国微软（Microsoft）公司的一个Windows操作系统中负责在屏幕或打印机上绘制图形对象、管理字体和处理图像的核心底层标准接口。 Microsoft Windows GDI存在安全漏洞。攻击者利用该漏洞可以远程执行代码。以下产品和版本受到影响：Windows 11 Version 23H2 for ARM64-based Systems,Windows 11 Version 23H2 for x64-based Systems,Windows Serve
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 10 Version 1607 10.0.14393.0 ~ 10.0.14393.9140 -
Microsoft Windows 10 Version 1809 10.0.17763.0 ~ 10.0.17763.8755 -
Microsoft Windows 10 Version 21H2 10.0.19044.0 ~ 10.0.19044.7291 -
Microsoft Windows 10 Version 22H2 10.0.19045.0 ~ 10.0.19045.7417 -
Microsoft Windows 11 version 23H2 10.0.22631.0 ~ 10.0.22631.7079 -
Microsoft Windows 11 Version 23H2 10.0.22631.0 ~ 10.0.22631.7219 -
Microsoft Windows 11 Version 24H2 10.0.26100.0 ~ 10.0.26100.8457 -
Microsoft Windows 11 Version 25H2 10.0.26200.0 ~ 10.0.26200.8457 -
Microsoft Windows 11 version 26H1 10.0.28000.0 ~ 10.0.28000.2113 -
Microsoft Windows Server 2012 6.2.9200.0 ~ 6.2.9200.26079 -
Microsoft Windows Server 2012 (Server Core installation) 6.2.9200.0 ~ 6.2.9200.26079 -
Microsoft Windows Server 2012 R2 6.3.9600.0 ~ 6.3.9600.23181 -
Microsoft Windows Server 2012 R2 (Server Core installation) 6.3.9600.0 ~ 6.3.9600.23181 -
Microsoft Windows Server 2016 10.0.14393.0 ~ 10.0.14393.9140 -
Microsoft Windows Server 2016 (Server Core installation) 10.0.14393.0 ~ 10.0.14393.9140 -
Microsoft Windows Server 2019 10.0.17763.0 ~ 10.0.17763.8755 -
Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.0 ~ 10.0.17763.8755 -
Microsoft Windows Server 2022 10.0.20348.0 ~ 10.0.20348.5139 -
Microsoft Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.0 ~ 10.0.25398.2330 -
Microsoft Windows Server 2025 10.0.26100.0 ~ 10.0.26100.32860 -
Microsoft Windows Server 2025 (Server Core installation) 10.0.26100.0 ~ 10.0.26100.32860 -

II. Public POCs for CVE-2026-35421

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III. Intelligence Information for CVE-2026-35421

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Vendor Advisories for CVE-2026-35421 (1)

Same Patch Batch · Microsoft · 2026-05-12 · 125 CVEs total

CVE-2026-42898 9.9 CRITICAL Microsoft Dynamics 365 On-Premises Remote Code Execution Vulnerability
CVE-2026-42823 9.9 CRITICAL Azure Logic Apps Elevation of Privilege Vulnerability
CVE-2026-41089 9.8 CRITICAL Windows Netlogon Remote Code Execution Vulnerability
CVE-2026-41096 9.8 CRITICAL Windows DNS Client Remote Code Execution Vulnerability
CVE-2026-40379 9.3 CRITICAL Azure Entra ID Spoofing Vulnerability
CVE-2026-40402 9.3 CRITICAL Windows Hyper-V Elevation of Privilege Vulnerability
CVE-2026-42833 9.1 CRITICAL Microsoft Dynamics 365 On-Premises Remote Code Execution Vulnerability
CVE-2026-33117 9.1 CRITICAL Azure SDK for Java Security Feature Bypass Vulnerability
CVE-2026-41103 9.1 CRITICAL Microsoft SSO Plugin for Jira & Confluence Elevation of Privilege Vulnerability
CVE-2026-40357 8.8 HIGH Microsoft SharePoint Server Remote Code Execution Vulnerability
CVE-2026-40365 8.8 HIGH Microsoft SharePoint Server Remote Code Execution Vulnerability
CVE-2026-40370 8.8 HIGH SQL Server Remote Code Execution Vulnerability
CVE-2026-41094 8.8 HIGH Microsoft Data Formulator Remote Code Execution Vulnerability
CVE-2026-35439 8.8 HIGH Microsoft SharePoint Server Remote Code Execution Vulnerability
CVE-2026-40403 8.8 HIGH Windows Graphics Component Remote Code Execution Vulnerability
CVE-2026-41109 8.8 HIGH GitHub Copilot and Visual Studio Code Security Feature Bypass Vulnerability
CVE-2026-35436 8.8 HIGH Microsoft Office Click-To-Run Elevation of Privilege Vulnerability
CVE-2026-40420 8.8 HIGH Microsoft Office Click-To-Run Elevation of Privilege Vulnerability
CVE-2026-33110 8.8 HIGH Microsoft SharePoint Server Remote Code Execution Vulnerability
CVE-2026-41613 8.8 HIGH Visual Studio Code Elevation of Privilege Vulnerability

Showing top 20 of 125 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Windows 10 Version 1607
Same vendor: Microsoft
Same weakness: CWE-122

V. Comments for CVE-2026-35421

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