CVE-2026-50680: Heap-based buffer overflow in Windows Hyper-V allows an authorized attacker to elevate privileges locally.

PriorityP346high8.2CVSS 3.1

AVLACLPRHUINSCCHIHAH

Heap-based buffer overflow in Windows Hyper-V allows an authorized attacker to elevate privileges locally.

Affected

9 ranges

Vendor	Product	Version range	Fixed in
microsoft	windows_10_version_1809	>= 10.0.17763.0 < 10.0.17763.9020	10.0.17763.9020
microsoft	windows_10_version_21h2	>= 10.0.19044.0 < 10.0.19044.7548	10.0.19044.7548
microsoft	windows_10_version_22h2	>= 10.0.19045.0 < 10.0.19045.7548	10.0.19045.7548
microsoft	windows_11_version_24h2	>= 10.0.26100.0 < 10.0.26100.8875	10.0.26100.8875
microsoft	windows_11_version_25h2	>= 10.0.26200.0 < 10.0.26200.8875	10.0.26200.8875
microsoft	windows_11_version_26h1	>= 10.0.28000.0 < 10.0.28000.2269	10.0.28000.2269
microsoft	windows_server_2019	>= 10.0.17763.0 < 10.0.17763.9020	10.0.17763.9020
microsoft	windows_server_2022	>= 10.0.20348.0 < 10.0.20348.5386	10.0.20348.5386
microsoft	windows_server_2025	>= 10.0.26100.0 < 10.0.26100.33158	10.0.26100.33158

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