What is CVE-2026-65780?

CVE-2026-65780 is a security advisory published by Microsoft Security Response Center (MSRC) with High severity. Windows Autopilot Elevation of Privilege Vulnerability

Which CVE IDs does CVE-2026-65780 cover?

CVE-2026-65780 covers the following CVE IDs: CVE-2026-65780. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-65780?

CVE-2026-65780 has a CVSS v3 base score of 7.0, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2026-65780?

CVE-2026-65780 affects 6 products, including: Windows 11 Version 24H2 for ARM64-based Systems; Windows 11 Version 24H2 for x64-based Systems; Windows 11 Version 25H2 for ARM64-based Systems; Windows 11 Version 25H2 for x64-based Systems; Windows 11 Version 26H1 for ARM64-based Systems; and others — see the full list on the advisory page.

CVE-2026-65780HighCVSS 7.0

Windows Autopilot Elevation of Privilege Vulnerability

Vendor

Microsoft Security Response Center (MSRC)

Published

August 14, 2026

Last Modified

—

🔗 CVE IDs covered (1)

CVE-2026-65780 →

📋 Description

Double free in Windows Autopilot allows an authorized attacker to elevate privileges locally.

🎯 Affected products6

Windows 11 Version 24H2 for ARM64-based Systems
Windows 11 Version 24H2 for x64-based Systems
Windows 11 Version 25H2 for ARM64-based Systems
Windows 11 Version 25H2 for x64-based Systems
Windows 11 Version 26H1 for ARM64-based Systems
Windows 11 version 26H1 for x64-based Systems

✅ Remediation

KB5121003 (Security Update) — fixed build 10.0.26200.9168 KB5120994 (Security Hotpatch Update) — fixed build 10.0.26200.9106 KB5121003 (Security Update) — fixed build 10.0.26100.9168 KB5120994 (Security Hotpatch Update) — fixed build 10.0.26100.9106 KB5121000 (Security Update) — fixed build 10.0.28000.2704

🔗 References (7)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-65780
patchhttps://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5121003
referencehttps://support.microsoft.com/help/5121003
patchhttps://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5120994
referencehttps://support.microsoft.com/help/5120994
patchhttps://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5121000
referencehttps://support.microsoft.com/help/5121000