Sep 2026: Windows Graphics Component Remote Code Execution Vulnerability
CVE-2026-81955 Published on September 8, 2026

Windows Graphics Component Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Graphics Component allows an unauthorized attacker to execute code over a network.

Vendor Advisory NVD

Weakness Type

Heap-based Buffer Overflow

A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().

Products Associated with CVE-2026-81955

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Microsoft Office 2019

Microsoft 365 Apps

Microsoft Office Macos 2021

Microsoft Office 2021

Microsoft Office 2024

Microsoft Office Macos 2024

Microsoft Office 2016

Microsoft Office 365

Microsoft Windows 10

Microsoft Windows Server 2019

Microsoft Windows Server 2022

Microsoft Windows Server 2025

Microsoft Windows 11 25h2

Microsoft Windows 11 23h2

Microsoft Windows 11 24h2

Microsoft Windows 11 26h1

Microsoft Windows Server 2016

Microsoft Windows Server 2012

Microsoft Windows Server 2012 R2

Affected Versions

Microsoft 365 Apps for Enterprise:

Version 16.0.1 and below 16.0.20326.20136 is affected.

Microsoft Office 2016:

Version 16.0.0 and below 16.0.5569.1003 is affected.

Microsoft Office 2019:

Version 19.0.0 and below 16.0.10417.20204 is affected.

Microsoft Office 365 for Mac:

Version - is affected.

Microsoft Office LTSC 2021:

Version 16.0.1 and below 16.0.14334.20896 is affected.

Microsoft Office LTSC 2024:

Version 16.0.0 and below 16.0.17932.20960 is affected.

Microsoft Office LTSC for Mac 2021:

Version - is affected.

Microsoft Office LTSC for Mac 2024:

Version - is affected.

Microsoft Windows 10 Version 1607:

Version 10.0.14393.0 and below 10.0.14393.9504 is affected.

Microsoft Windows 10 Version 1809:

Version 10.0.17763.0 and below 10.0.17763.9245 is affected.

Microsoft Windows 10 Version 21H2:

Version 10.0.19044.0 and below 10.0.19044.7725 is affected.

Microsoft Windows 10 Version 22H2:

Version 10.0.19045.0 and below 10.0.19045.7725 is affected.

Microsoft Windows 11 version 23H2:

Version 10.0.22631.0 and below 10.0.22631.7582 is affected.

Microsoft Windows 11 Version 23H2:

Version 10.0.22631.0 and below 10.0.22631.7582 is affected.

Microsoft Windows 11 Version 24H2:

Version 10.0.26100.0 and below 10.0.26100.9445 is affected.

Microsoft Windows 11 Version 25H2:

Version 10.0.26200.0 and below 10.0.26200.9445 is affected.

Microsoft Windows 11 version 26H1:

Version 10.0.28000.0 and below 10.0.28000.2954 is affected.

Microsoft Windows Server 2012:

Version 6.2.9200.0 and below 6.2.9200.26349 is affected.

Microsoft Windows Server 2012 (Server Core installation):

Version 6.2.9200.0 and below 6.2.9200.26349 is affected.

Microsoft Windows Server 2012 R2:

Version 6.3.9600.0 and below 6.3.9600.23397 is affected.

Microsoft Windows Server 2012 R2 (Server Core installation):

Version 6.3.9600.0 and below 6.3.9600.23397 is affected.

Microsoft Windows Server 2016:

Version 10.0.14393.0 and below 10.0.14393.9504 is affected.

Microsoft Windows Server 2016 (Server Core installation):

Version 10.0.14393.0 and below 10.0.14393.9504 is affected.

Microsoft Windows Server 2019:

Version 10.0.17763.0 and below 10.0.17763.9245 is affected.

Microsoft Windows Server 2019 (Server Core installation):

Version 10.0.17763.0 and below 10.0.17763.9245 is affected.

Microsoft Windows Server 2022:

Version 10.0.20348.0 and below 10.0.20348.5622 is affected.

Microsoft Windows Server 2025:

Version 10.0.26100.0 and below 10.0.26100.33438 is affected.

Microsoft Windows Server 2025 (Server Core installation):

Version 10.0.26100.0 and below 10.0.26100.33438 is affected.

Sep 2026: Windows Graphics Component Remote Code Execution VulnerabilityCVE-2026-81955 Published on September 8, 2026

Weakness Type

Heap-based Buffer Overflow

Products Associated with CVE-2026-81955

Affected Versions

Sep 2026: Windows Graphics Component Remote Code Execution Vulnerability
CVE-2026-81955 Published on September 8, 2026