CVE-2025-49751 MEDIUM

CVE-2025-49751: Windows Hyper-V Denial of Service Vulnerability

Vendor Microsoft
Product Windows 10 Version 1607
Weakness CWE-820
Published August 12, 2025
Last update February 13, 2026
View on NVD All CVEs

CVSS base score

6.8/10
Attack vector Adjacent
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality None
Integrity None

CVSS vector

CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C

What the vulnerability does

01Description

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

Key dates

02Disclosure timeline

August 12, 2025 CVE published
February 13, 2026 Record updated