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CVE-2026-44812— Windows Graphics Component Remote Code Execution Vulnerability

Quick assessment

Affected
Microsoft Microsoft Excel for Android
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Microsoft Win32k是美国微软（Microsoft）公司的一个用于Windows多用户管理的系统文件。 Microsoft Win32k存在输入验证错误漏洞。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：Microsoft Excel for Android,Microsoft PowerPoint for Android,Microsoft Word for Android,Windows Server 2016 (Server Core installation),Window

CVSS 7.8 · High EPSS 0.47% · P38

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution

Affected Version Matrix 23

VendorProduct Version RangeStatus
Microsoft Microsoft Excel for Android 16.0.0.0< 16.0.20131.20024 affected
Microsoft Microsoft PowerPoint for Android 16.0.0.0< 16.0.20131.20024 affected
Microsoft Microsoft Word for Android 16.0.0.0< 16.0.20131.20024 affected
Microsoft Windows 10 Version 1607 10.0.14393.0< 10.0.14393.9234 affected
Microsoft Windows 10 Version 1809 10.0.17763.0< 10.0.17763.8880 affected
Microsoft Windows 10 Version 21H2 10.0.19044.0< 10.0.19044.7417 affected
Microsoft Windows 10 Version 22H2 10.0.19045.0< 10.0.19045.7417 affected
Microsoft Windows 11 version 23H2 10.0.22631.0< 10.0.22631.7219 affected
Microsoft Windows 11 Version 23H2 10.0.22631.0< 10.0.22631.7219 affected
Microsoft Windows 11 Version 24H2 10.0.26100.0< 10.0.26100.8655 affected
Microsoft Windows 11 Version 25H2 10.0.26200.0< 10.0.26200.8655 affected
Microsoft Windows 11 version 26H1 10.0.28000.0< 10.0.28000.2269 affected
Microsoft Windows Server 2012 6.2.9200.0< 6.2.9200.26132 affected
Microsoft Windows Server 2012 (Server Core installation) 6.2.9200.0< 6.2.9200.26132 affected
Microsoft Windows Server 2012 R2 6.3.9600.0< 6.3.9600.23228 affected
Microsoft Windows Server 2012 R2 (Server Core installation) 6.3.9600.0< 6.3.9600.23228 affected
Microsoft Windows Server 2016 10.0.14393.0< 10.0.14393.9234 affected
Microsoft Windows Server 2016 (Server Core installation) 10.0.14393.0< 10.0.14393.9234 affected
Microsoft Windows Server 2019 10.0.17763.0< 10.0.17763.8880 affected
Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.0< 10.0.17763.8880 affected
Microsoft Windows Server 2022 10.0.20348.0< 10.0.20348.5256 affected
Microsoft Windows Server 2025 10.0.26100.0< 10.0.26100.32995 affected
Microsoft Windows Server 2025 (Server Core installation) 10.0.26100.0< 10.0.26100.32995 affected
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I. Basic Information for CVE-2026-44812

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 Graphics Component Remote Code Execution Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Integer overflow or wraparound in Windows Win32K - GRFX 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
整数溢出或超界折返
Source: CVE Program / CVE List V5
Vulnerability Title
Microsoft Win32k 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Win32k是美国微软（Microsoft）公司的一个用于Windows多用户管理的系统文件。 Microsoft Win32k存在输入验证错误漏洞。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：Microsoft Excel for Android,Microsoft PowerPoint for Android,Microsoft Word for Android,Windows Server 2016 (Server Core installation),Window
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 Microsoft Excel for Android 16.0.0.0 ~ 16.0.20131.20024 -
Microsoft Microsoft PowerPoint for Android 16.0.0.0 ~ 16.0.20131.20024 -
Microsoft Microsoft Word for Android 16.0.0.0 ~ 16.0.20131.20024 -
Microsoft Windows 10 Version 1607 10.0.14393.0 ~ 10.0.14393.9234 -
Microsoft Windows 10 Version 1809 10.0.17763.0 ~ 10.0.17763.8880 -
Microsoft Windows 10 Version 21H2 10.0.19044.0 ~ 10.0.19044.7417 -
Microsoft Windows 10 Version 22H2 10.0.19045.0 ~ 10.0.19045.7417 -
Microsoft Windows 11 version 23H2 10.0.22631.0 ~ 10.0.22631.7219 -
Microsoft Windows 11 Version 23H2 10.0.22631.0 ~ 10.0.22631.7219 -
Microsoft Windows 11 Version 24H2 10.0.26100.0 ~ 10.0.26100.8655 -
Microsoft Windows 11 Version 25H2 10.0.26200.0 ~ 10.0.26200.8655 -
Microsoft Windows 11 version 26H1 10.0.28000.0 ~ 10.0.28000.2269 -
Microsoft Windows Server 2012 6.2.9200.0 ~ 6.2.9200.26132 -
Microsoft Windows Server 2012 (Server Core installation) 6.2.9200.0 ~ 6.2.9200.26132 -
Microsoft Windows Server 2012 R2 6.3.9600.0 ~ 6.3.9600.23228 -
Microsoft Windows Server 2012 R2 (Server Core installation) 6.3.9600.0 ~ 6.3.9600.23228 -
Microsoft Windows Server 2016 10.0.14393.0 ~ 10.0.14393.9234 -
Microsoft Windows Server 2016 (Server Core installation) 10.0.14393.0 ~ 10.0.14393.9234 -
Microsoft Windows Server 2019 10.0.17763.0 ~ 10.0.17763.8880 -
Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.0 ~ 10.0.17763.8880 -
Microsoft Windows Server 2022 10.0.20348.0 ~ 10.0.20348.5256 -
Microsoft Windows Server 2025 10.0.26100.0 ~ 10.0.26100.32995 -
Microsoft Windows Server 2025 (Server Core installation) 10.0.26100.0 ~ 10.0.26100.32995 -

II. Public POCs for CVE-2026-44812

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
default-local-qwen3.6 · 14943 chars
Pro+ exclusive includes:
Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
Full executable POC code
Exploit chain & mitigation
POC zip download
100+ AI POC generations per month

III. Intelligence Information for CVE-2026-44812

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Vendor Advisories for CVE-2026-44812 (1)

Same Patch Batch · Microsoft · 2026-06-09 · 200 CVEs total

CVE-2026-47291 9.8 CRITICAL HTTP.sys Remote Code Execution Vulnerability
CVE-2026-26142 9.8 CRITICAL Nuance PowerScribe Remote Code Execution Vulnerability
CVE-2026-45657 9.8 CRITICAL Windows Kernel Remote Code Execution Vulnerability
CVE-2026-47643 9.8 CRITICAL Azure Stack Edge Remote Code Execution Vulnerability
CVE-2026-44815 9.8 CRITICAL DHCP Client Service Remote Code Execution Vulnerability
CVE-2026-42904 9.6 CRITICAL Windows TCP/IP Elevation of Privilege Vulnerability
CVE-2026-47281 9.6 CRITICAL Visual Studio Code Elevation of Privilege Vulnerability
CVE-2026-45602 9.1 CRITICAL Windows Dynamic Host Configuration Protocol (DHCP) Tampering Vulnerability
CVE-2026-45484 8.8 HIGH Microsoft SharePoint Elevation of Privilege Vulnerability
CVE-2026-47289 8.8 HIGH Remote Desktop Client Remote Code Execution Vulnerability
CVE-2026-45648 8.8 HIGH Windows Active Directory Domain Services Remote Code Execution Vulnerability
CVE-2026-32193 8.8 HIGH Azure Kubernetes Service (AKS) Remote Code Execution Vulnerability
CVE-2026-45504 8.8 HIGH Microsoft Exchange Server Elevation of Privilege Vulnerability
CVE-2026-40371 8.8 HIGH Microsoft Dynamics 365 (on-premises) Elevation of Privilege Vulnerability
CVE-2026-42985 8.8 HIGH Remote Desktop Client Remote Code Execution Vulnerability
CVE-2026-47653 8.8 HIGH Remote Desktop Client Remote Code Execution Vulnerability
CVE-2026-45607 8.4 HIGH Windows Hyper-V Remote Code Execution Vulnerability
CVE-2026-45458 8.4 HIGH Microsoft Outlook and Word Remote Code Execution Vulnerability
CVE-2026-45641 8.4 HIGH Windows Hyper-V Remote Code Execution Vulnerability
CVE-2026-45472 8.4 HIGH Microsoft Office Remote Code Execution Vulnerability

Showing top 20 of 200 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Microsoft Excel for Android
Same vendor: Microsoft
Same weakness: CWE-190

V. Comments for CVE-2026-44812

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