CVE-2026-23667

Broadcast DVR Elevation of Privilege Vulnerability

CVE-2026-23667 is fixed in 16 products on 1 platform, first by KB5078752, released March 10, 2026. It is not reported as exploited. Patch Radar priority: High.

High

CVSS

7.0

Important

Exploitation

None reported

Exploitation Unlikely

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.0033

26th percentile

<p>Use after free in Broadcast DVR allows an authorized attacker to elevate privileges locally.</p>

Where it's fixed

Product	Fixed in	Fix	Released
Microsoft
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 11 Version 24H2 for ARM64-based Systems		KB5079473	Mar 10, 2026
Windows 11 Version 24H2 for ARM64-based Systems		KB5079420	Mar 10, 2026
Windows 11 Version 24H2 for x64-based Systems		KB5079473	Mar 10, 2026
Windows 11 Version 24H2 for x64-based Systems		KB5079420	Mar 10, 2026
Windows 11 Version 25H2 for ARM64-based Systems		KB5079473	Mar 10, 2026
Windows 11 Version 25H2 for ARM64-based Systems		KB5079420	Mar 10, 2026
Windows 11 Version 25H2 for x64-based Systems		KB5079473	Mar 10, 2026
Windows 11 Version 25H2 for x64-based Systems		KB5079420	Mar 10, 2026
Windows 11 Version 26H1 for ARM64-based Systems	28000.1719	KB5079466	Mar 10, 2026
Windows 11 version 26H1 for x64-based Systems	28000.1719	KB5079466	Mar 10, 2026

Details

Published
March 10, 2026
Weakness
Use After Free
Vendor advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-23667

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