CVE-2026-50485

MediumCVSS 5.7/10Last modified Jul 21, 2026

Description

Buffer over-read in Windows Hyper-V allows an authorized attacker to deny service over an adjacent network.

Metrics

CVSS 3.1 5.7/10CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-126

Affected software

Vendor	Product	Versions
Microsoft	Windows 10 Version 1607	>= 10.0.14393.0, < 10.0.14393.9339
Microsoft	Windows 10 Version 1809	>= 10.0.17763.0, < 10.0.17763.9020
Microsoft	Windows 10 Version 21H2	>= 10.0.19044.0, < 10.0.19044.7548
Microsoft	Windows 10 Version 22H2	>= 10.0.19045.0, < 10.0.19045.7548
Microsoft	Windows 11 Version 24H2	>= 10.0.26100.0, < 10.0.26100.8875
Microsoft	Windows 11 Version 25H2	>= 10.0.26200.0, < 10.0.26200.8875
Microsoft	Windows 11 version 26H1	>= 10.0.28000.0, < 10.0.28000.2525
Microsoft	Windows Server 2012	>= 6.2.9200.0, < 6.2.9200.26226
Microsoft	Windows Server 2012 (Server Core installation)	>= 6.2.9200.0, < 6.2.9200.26226
Microsoft	Windows Server 2012 R2	>= 6.3.9600.0, < 6.3.9600.23291
Microsoft	Windows Server 2012 R2 (Server Core installation)	>= 6.3.9600.0, < 6.3.9600.23291
Microsoft	Windows Server 2016	>= 10.0.14393.0, < 10.0.14393.9339
Microsoft	Windows Server 2016 (Server Core installation)	>= 10.0.14393.0, < 10.0.14393.9339
Microsoft	Windows Server 2019	>= 10.0.17763.0, < 10.0.17763.9020
Microsoft	Windows Server 2019 (Server Core installation)	>= 10.0.17763.0, < 10.0.17763.9020
Microsoft	Windows Server 2022	>= 10.0.20348.0, < 10.0.20348.5386
Microsoft	Windows Server 2025	>= 10.0.26100.0, < 10.0.26100.33158
Microsoft	Windows Server 2025 (Server Core installation)	>= 10.0.26100.0, < 10.0.26100.33158

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50485Patch, Vendor Advisory

Timeline

Published: Jul 14, 2026
Last modified: Jul 21, 2026
NVD status: Analyzed

Related CVEs from 2026

CVE-2026-504867.8Use after free in Windows Runtime allows an authorized attacker to elevate privileges locally.CVE-2026-504879.8Use after free in Microsoft Windows DNS allows an unauthorized attacker to elevate privileges over a network.CVE-2026-504887.8Improper neutralization of special elements used in a command ('command injection') in Windows Clipboard User Service allows an authorized a CVE-2026-504897.8Heap-based buffer overflow in Windows Win32K allows an authorized attacker to elevate privileges locally.CVE-2026-50495.7A path traversal vulnerability affects the The Zone Alias Import flow feature in Brocade SANnav before 3.0.0a. A local authenticated attacke CVE-2026-504907.8Use after free in Windows Installer allows an authorized attacker to elevate privileges locally.CVE-2026-504917.8Out-of-bounds read in Code Integrity DLL (ci.dll) allows an authorized attacker to elevate privileges locally.CVE-2026-504926.8Heap-based buffer overflow in Windows Resilient File System (ReFS) allows an unauthorized attacker to execute code with a physical attack.CVE-2026-504937.8Use after free in Windows Graphics Kernel allows an authorized attacker to elevate privileges locally.CVE-2026-504947.8Heap-based buffer overflow in Windows NTFS allows an authorized attacker to execute code locally.CVE-2026-504955.5Improper access control in Microsoft Windows DNS allows an authorized attacker to perform tampering locally.CVE-2026-504967.5Out-of-bounds read in Windows Network Policy Server SNMP allows an unauthorized attacker to disclose information over a network.