CVE-2026-23668

Windows Graphics Component Elevation of Privilege Vulnerability

CVE-2026-23668 is fixed in 23 products on 1 platform, first by KB5078938, released March 10, 2026. It is not reported as exploited, but the vendor rates exploitation more likely. Patch Radar priority: Urgent.

Urgent

CVSS

7.0

Important

Exploitation

More likely

Vendor assessment

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.0387

90th percentile

<p>Concurrent execution using shared resource with improper synchronization ('race condition') in Microsoft Graphics Component allows an authorized attacker to elevate privileges locally.</p>

Where it's fixed

Product	Fixed in	Fix	Released
Microsoft
Windows 10 Version 1607 for 32-bit Systems	14393.8957	KB5078938	Mar 10, 2026
Windows 10 Version 1607 for x64-based Systems	14393.8957	KB5078938	Mar 10, 2026
Windows 10 Version 1809 for 32-bit Systems	17763.8511	KB5078752	Mar 10, 2026
Windows 10 Version 1809 for x64-based Systems	17763.8511	KB5078752	Mar 10, 2026
Windows 10 Version 21H2 for 32-bit Systems		KB5078885	Mar 10, 2026
Windows 10 Version 21H2 for ARM64-based Systems		KB5078885	Mar 10, 2026
Windows 10 Version 21H2 for x64-based Systems		KB5078885	Mar 10, 2026
Windows 10 Version 22H2 for 32-bit Systems		KB5078885	Mar 10, 2026
Windows 10 Version 22H2 for ARM64-based Systems		KB5078885	Mar 10, 2026
Windows 10 Version 22H2 for x64-based Systems		KB5078885	Mar 10, 2026
Windows 11 Version 23H2 for ARM64-based Systems	22631.6783	KB5078883	Mar 10, 2026
Windows 11 Version 23H2 for x64-based Systems	22631.6783	KB5078883	Mar 10, 2026
Windows Server 2012		KB5078775	Mar 10, 2026
Windows Server 2012 (Server Core installation)		KB5078775	Mar 10, 2026
Windows Server 2012 R2		KB5078774	Mar 10, 2026
Windows Server 2012 R2 (Server Core installation)		KB5078774	Mar 10, 2026
Windows Server 2016	14393.8957	KB5078938	Mar 10, 2026
Windows Server 2016 (Server Core installation)	14393.8957	KB5078938	Mar 10, 2026
Windows Server 2019	17763.8511	KB5078752	Mar 10, 2026
Windows Server 2019 (Server Core installation)	17763.8511	KB5078752	Mar 10, 2026
Windows Server 2022	20348.4893	KB5078766	Mar 10, 2026
Windows Server 2022	20348.4830	KB5078737	Mar 10, 2026
Windows Server 2022 (Server Core installation)	20348.4893	KB5078766	Mar 10, 2026
Windows Server 2022 (Server Core installation)	20348.4830	KB5078737	Mar 10, 2026
Windows Server 2022, 23H2 Edition (Server Core installation)	25398.2207	KB5078734	Mar 10, 2026

Details

Published
March 10, 2026
Weakness
Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
Vendor advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-23668

For tools and AI agents

This page as data: JSON · Markdown

Link to this page

If this page saved you time, a link to it in your ticket, advisory or write-up helps others find it.

HTML

<a href="https://patchblox.com/security/cve/CVE-2026-23668">CVE-2026-23668 on Patchblox Patch Radar</a>

Reusing the data? How to credit Patch Radar.

Is this on your machines?

Patchblox finds every install below the fixed version on Windows, macOS and Linux, and updates them through your release rings.

Get a demo

Patch Radar data is free to use with attribution. Terms and how to credit it.

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.