CVE-2026-23667: Microsoft Windows 10 1809

High severity, CVSS 7.0. EPSS: 0.3% chance of exploitation in the next 30 days.

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

Affected products

• Microsoft Windows 10 1809: before 10.0.17763.8511 (fixed in 10.0.17763.8511)
• Microsoft Windows 10 21h2: before 10.0.19044.7058 (fixed in 10.0.19044.7058)
• Microsoft Windows 10 22h2: before 10.0.19045.7058 (fixed in 10.0.19045.7058)
• Microsoft Windows 11 23h2: before 10.0.22631.6783 (fixed in 10.0.22631.6783)
• Microsoft Windows 11 24h2: before 10.0.26100.7979 (fixed in 10.0.26100.7979)
• Microsoft Windows 11 25h2: before 10.0.26200.7979 (fixed in 10.0.26200.7979)
• Microsoft Windows 11 26h1: before 10.0.28000.1719 (fixed in 10.0.28000.1719)

Published 2026-03-10. Last modified 2026-06-17.