What is CVE-2025-26688?

CVE-2025-26688 is a security advisory published by Microsoft Security Response Center (MSRC) with High severity. Microsoft Virtual Hard Disk Elevation of Privilege Vulnerability

Which CVE IDs does CVE-2025-26688 cover?

CVE-2025-26688 covers the following CVE IDs: CVE-2025-26688. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2025-26688?

CVE-2025-26688 has a CVSS v3 base score of 7.8, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2025-26688?

CVE-2025-26688 affects 31 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-2025-26688HighCVSS 7.8

Microsoft Virtual Hard Disk Elevation of Privilege Vulnerability

Vendor

Microsoft Security Response Center (MSRC)

Published

April 8, 2025

Last Modified

—

🔗 CVE IDs covered (1)

CVE-2025-26688 →

📋 Description

Stack-based buffer overflow in Microsoft Virtual Hard Drive allows an authorized attacker to elevate privileges locally.

🎯 Affected products31

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 10 for 32-bit Systems
Windows 10 for x64-based Systems
Windows 11 Version 22H2 for ARM64-based Systems
Windows 11 Version 22H2 for x64-based Systems
Windows 11 Version 23H2 for ARM64-based Systems
Windows 11 Version 23H2 for x64-based Systems
Windows 11 Version 24H2 for ARM64-based Systems
Windows 11 Version 24H2 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)
Windows Server 2025
+1 more not shown

✅ Remediation

KB5055519 (Security Update) — fixed build 10.0.17763.7136 KB5055526 (Security Update) — fixed build 10.0.20348.3453 KB5055518 (Security Update) — fixed build 10.0.19044.5737 KB5055528 (Security Update) — fixed build 10.0.22621.5189 KB5055518 (Security Update) — fixed build 10.0.19045.5737 KB5055523 (Security Update) — fixed build 10.0.26100.3775 KB5055528 (Security Update) — fixed build 10.0.22631.5189 KB5055527 (Security Update) — fixed build 10.0.25398.1551 KB5055547 (Security Update) — fixed build 10.0.10240.20978 KB5055521 (Security Update) — fixed build 10.0.14393.7969 KB5055581 (Monthly Rollup) — fixed build 6.2.9200.25423 KB5055557 (Monthly Rollup) — fixed build 6.3.9600.22523

🔗 CVE IDs covered (1)

📋 Description

🎯 Affected products31

✅ Remediation

🔗 References (21)