CVE-2026-69777 Heap-based buffer overflow in Windows DHCP Client allows an authorized attacker to elevate privileges over an adjacent…

Description

Heap-based buffer overflow in Windows DHCP Client allows an authorized attacker to elevate privileges over an adjacent network.

Affected products and versions

Product	Affected versions	Fixed in
Windows 11 Version 24H2 10.0	10.0.26100.0 → < 10.0.26100.9445	10.0.26100.9445
Windows 11 Version 25H2 10.0	10.0.26200.0 → < 10.0.26200.9445	10.0.26200.9445
Windows 11 version 26H1 10.0	10.0.28000.0 → < 10.0.28000.2954	10.0.28000.2954

Other CVEs of Windows 11 Version 24H2

The 3573 CVEs of Windows 11 Version 24H2 →

CVE-2026-108134 Use after free in Windows Autopilot allows an authorized attacker to elevate privileges locally 7.0 High CVE-2026-108463 Improper resolution of path equivalence in Windows SmartScreen allows an unauthorized attacker to bypass a security… 8.8 High CVE-2026-108136 Use after free in Microsoft Windows Search Component allows an authorized attacker to elevate privileges locally 7.8 High CVE-2026-105016 Heap-based buffer overflow in Microsoft QUIC allows an unauthorized attacker to execute code over a network 9.8 Critical