CVE-2025-62567: Windows Hyper-V Denial of Service Vulnerability
Vulnerability summary
CVE-2025-62567 is a medium (CVSS 5.3) Integer Underflow (Wrap or Wraparound) vulnerability in microsoft windows_10_1607. EPSS estimates a 1.03% chance of exploitation in the next 30 days, higher than 63.7% of scored vulnerabilities.
Not severe (CVSS 5.3, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Timeline
- 09-12-2025PublishedVulnerability first disclosed.
- 16-04-2026Last modifiedVulnerability information updated.
Description
Integer underflow (wrap or wraparound) in Windows Hyper-V allows an authorized attacker to deny service over a network.
CVSS metrics
2 scores · 2 sources · 1 version- NVDNIST5.3MediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
1.03%
Chance of exploitation in the next 30 days
Percentile
64%
Versus all other CVEs
30-day change
No change 0.00 pp
From 1.03% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Microsoft27 products
- windows_10_1607< 10.0.14393.8688
- windows_10_1809< 10.0.17763.8146
- windows_10_21h2< 10.0.19044.6691
- windows_10_22h2< 10.0.19045.6691
- windows 10 version 1607≥ 10.0.14393.0, < 10.0.14393.8688
1 vendor · 27 products
