Aug 2025: Windows Hyper-V Denial of Service Vulnerability
CVE-2025-49751 Published on August 12, 2025
Windows Hyper-V Denial of Service Vulnerability
Missing synchronization in Windows Hyper-V allows an authorized attacker to deny service over an adjacent network.
Weakness Type
Missing Synchronization
The software utilizes a shared resource in a concurrent manner but does not attempt to synchronize access to the resource. If access to a shared resource is not synchronized, then the resource may not be in a state that is expected by the software. This might lead to unexpected or insecure behaviors, especially if an attacker can influence the shared resource.
Products Associated with CVE-2025-49751
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Affected Versions
Microsoft Windows 10 Version 1607:- Version 10.0.14393.0 and below 10.0.14393.8330 is affected.
- Version 10.0.17763.0 and below 10.0.17763.7678 is affected.
- Version 10.0.19044.0 and below 10.0.19044.6216 is affected.
- Version 10.0.19045.0 and below 10.0.19045.6216 is affected.
- Version 10.0.22621.0 and below 10.0.22621.5768 is affected.
- Version 10.0.22631.0 and below 10.0.22631.5768 is affected.
- Version 10.0.22631.0 and below 10.0.22631.5768 is affected.
- Version 10.0.26100.0 and below 10.0.26100.4946 is affected.
- Version 10.0.14393.0 and below 10.0.14393.8330 is affected.
- Version 10.0.14393.0 and below 10.0.14393.8330 is affected.
- Version 10.0.17763.0 and below 10.0.17763.7678 is affected.
- Version 10.0.17763.0 and below 10.0.17763.7678 is affected.
- Version 10.0.20348.0 and below 10.0.20348.4052 is affected.
- Version 10.0.25398.0 and below 10.0.25398.1791 is affected.
- Version 10.0.26100.0 and below 10.0.26100.4946 is affected.
- Version 10.0.26100.0 and below 10.0.26100.4946 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.