What is CVE-2026-23667?

CVE-2026-23667 is a security advisory published by Microsoft Security Response Center (MSRC) with High severity. Broadcast DVR Elevation of Privilege Vulnerability

Which CVE IDs does CVE-2026-23667 cover?

CVE-2026-23667 covers the following CVE IDs: CVE-2026-23667. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-23667?

CVE-2026-23667 has a CVSS v3 base score of 7.0, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2026-23667?

CVE-2026-23667 affects 16 products, including: 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; and others — see the full list on the advisory page.

CVE-2026-23667HighCVSS 7.0

Broadcast DVR Elevation of Privilege Vulnerability

Vendor

Microsoft Security Response Center (MSRC)

Published

May 31, 2026

Last Modified

—

🔗 CVE IDs covered (1)

CVE-2026-23667 →

📋 Description

Use after free in Broadcast DVR allows an authorized attacker to elevate privileges locally.

🎯 Affected products16

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 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

KB5078752 (Security Update) — fixed build 10.0.17763.8511 KB5078885 (Security Update) — fixed build 10.0.19044.7058 KB5078885 (Security Update) — fixed build 10.0.19045.7058 KB5079473 (Security Update) — fixed build 10.0.26200.8037 KB5079420 (Security Hotpatch Update) — fixed build 10.0.26200.7979 KB5078883 (Security Update) — fixed build 10.0.22631.6783 KB5079473 (Security Update) — fixed build 10.0.26100.8037 KB5079420 (Security Hotpatch Update) — fixed build 10.0.26100.7979 KB5079466 (Security Update) — fixed build 10.0.28000.1719

🔗 CVE IDs covered (1)

📋 Description

🎯 Affected products16

✅ Remediation

🔗 References (13)