CVE-2025-49751

EUVD-2025-24379
Missing synchronization in Windows Hyper-V allows an authorized attacker to deny service over an adjacent network.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
6.8 MEDIUM
ADJACENT_NETWORK
LOW
LOW
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
microsoftCNA
6.8 MEDIUM
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
Base Score
CVSS 3.x
EPSS Score
Percentile: 35%
Affected Products (NVD)
VendorProductVersion
microsoftwindows_10_1607
𝑥
< 10.0.14393.8330
microsoftwindows_10_1809
𝑥
< 10.0.17763.7678
microsoftwindows_10_21h2
𝑥
< 10.0.19044.6216
microsoftwindows_10_22h2
𝑥
< 10.0.19045.6216
microsoftwindows_11_22h2
𝑥
< 10.0.22621.5768
microsoftwindows_11_23h2
𝑥
< 10.0.22631.5768
microsoftwindows_11_24h2
𝑥
< 10.0.26100.4851
microsoftwindows_server_2016
𝑥
< 10.0.14393.8330
microsoftwindows_server_2019
𝑥
< 10.0.17763.7678
microsoftwindows_server_2022
𝑥
< 10.0.20348.3989
microsoftwindows_server_2022_23h2
𝑥
< 10.0.25398.1791
microsoftwindows_server_2025
𝑥
< 10.0.26100.4851
𝑥
= Vulnerable software versions
Windows Releases
Platform
Version
Windows 10
1607 (x64)
1809 (x64)
21H2 (x64)
22H2 (x64)
Windows 11
22H2 (arm64, x64)
23H2 (arm64, x64)
24H2 (arm64, x64)
Windows Server 2016
Server Core
Standard
Windows Server 2019
Server Core
Standard
Windows Server 2022
23H2 Server Core
Server Core
Standard
Windows Server 2025
Server Core
Standard