What is CVE-2026-23668?

CVE-2026-23668 is a security advisory published by Microsoft Security Response Center (MSRC) with High severity. Windows Graphics Component Elevation of Privilege Vulnerability

Which CVE IDs does CVE-2026-23668 cover?

CVE-2026-23668 covers the following CVE IDs: CVE-2026-23668. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-23668?

CVE-2026-23668 has a CVSS v3 base score of 7.0, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2026-23668?

CVE-2026-23668 affects 23 products, including: Windows 10 Version 1607 for 32-bit Systems; Windows 10 Version 1607 for x64-based Systems; Windows 10 Version 1809 for 32-bit Systems; Windows 10 Version 1809 for x64-based Systems; Windows 10 Version 21H2 for 32-bit Systems; and others — see the full list on the advisory page.

CVE-2026-23668HighCVSS 7.0

Windows Graphics Component Elevation of Privilege Vulnerability

Vendor

Microsoft Security Response Center (MSRC)

Published

May 31, 2026

Last Modified

—

🔗 CVE IDs covered (1)

CVE-2026-23668 →

📋 Description

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

🎯 Affected products23

Windows 10 Version 1607 for 32-bit Systems
Windows 10 Version 1607 for x64-based Systems
Windows 10 Version 1809 for 32-bit Systems
Windows 10 Version 1809 for x64-based Systems
Windows 10 Version 21H2 for 32-bit Systems
Windows 10 Version 21H2 for ARM64-based Systems
Windows 10 Version 21H2 for x64-based Systems
Windows 10 Version 22H2 for 32-bit Systems
Windows 10 Version 22H2 for ARM64-based Systems
Windows 10 Version 22H2 for x64-based Systems
Windows 11 Version 23H2 for ARM64-based Systems
Windows 11 Version 23H2 for x64-based Systems
Windows Server 2012
Windows Server 2012 (Server Core installation)
Windows Server 2012 R2
Windows Server 2012 R2 (Server Core installation)
Windows Server 2016
Windows Server 2016 (Server Core installation)
Windows Server 2019
Windows Server 2019 (Server Core installation)
Windows Server 2022
Windows Server 2022 (Server Core installation)
Windows Server 2022, 23H2 Edition (Server Core installation)

✅ Remediation

KB5078752 (Security Update) — fixed build 10.0.17763.8511 KB5078766 (Security Update) — fixed build 10.0.20348.4893 KB5078737 (Security Hotpatch Update) — fixed build 10.0.20348.4830 KB5078885 (Security Update) — fixed build 10.0.19044.7058 KB5078885 (Security Update) — fixed build 10.0.19045.7058 KB5078883 (Security Update) — fixed build 10.0.22631.6783 KB5078734 (Security Update) — fixed build 10.0.25398.2207 KB5078938 (Security Update) — fixed build 10.0.14393.8957 KB5078775 (Monthly Rollup) — fixed build 6.2.9200.25973 KB5078774 (Monthly Rollup) — fixed build 6.3.9600.23074

🔗 CVE IDs covered (1)

📋 Description

🎯 Affected products23

✅ Remediation

🔗 References (18)