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

PriorityP352high8CVSS 3.1

AVAACLPRLUINSUCHIHAH

EPSS

0.58%

46.7th percentile

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

Affected

6 ranges

Vendor	Product	Version range	Fixed in
microsoft	windows_11_24h2	< 10.0.26100.9445	10.0.26100.9445
microsoft	windows_11_25h2	< 10.0.26200.9445	10.0.26200.9445
microsoft	windows_11_26h1	< 10.0.28000.2954	10.0.28000.2954
microsoft	windows_11_version_24h2	>= 10.0.26100.0 < 10.0.26100.9445	10.0.26100.9445
microsoft	windows_11_version_25h2	>= 10.0.26200.0 < 10.0.26200.9445	10.0.26200.9445
microsoft	windows_11_version_26h1	>= 10.0.28000.0 < 10.0.28000.2954	10.0.28000.2954

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