Windows Hyper-V Information Disclosure Vulnerability

published 2025-07-08 16 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-20605

cvss: 5.7; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.7%; EPSS 0.7% chance of exploitation in 30 days, percentile 53%
public exploits: 0; none known

Integer overflow or wraparound in Windows Hyper-V allows an authorized attacker to disclose information over an adjacent network.

Patch / fix

fixed in 3 links 1

Microsoft Windows 11 Version 24H2 10.0.26100.4652
Microsoft Windows Server 2025 10.0.26100.4652
Microsoft Windows Server 2025 (Server Core installation) 10.0.26100.4652

msrc.microsoft.com/update-guide/vulnerability/CVE-2025-48002 advisory

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 16 mo ago (2025-07-08)

Exploit prediction

0.70% chance of exploitation in the next 30 days, higher than 53% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	5.7	CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C
CNA	3.1	5.7	CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Affected products

Microsoft Windows 11 Version 24H2
Microsoft Windows Server 2025
Microsoft Windows Server 2025 (Server Core installation)

Classification

Weakness

CWE-190 Integer Overflow or Wraparound
CWE-125 Out-of-bounds Read

References

msrc.microsoft.com /update-guide/vulnerability/CVE-2025-48002
vendor-advisory, patch

Sources

CVE List CVE-2025-48002
NVD CVE-2025-48002

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary