SB2025090960 - Multiple vulnerabilities in Microsoft Windows Hyper-V

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Main Vulnerability Database SB2025090960

SB2025090960 - Multiple vulnerabilities in Microsoft Windows Hyper-V

Published: September 9, 2025

Security Bulletin ID SB2025090960
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 5
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Medium 20% Low 80%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 5 vulnerabilities.


1) Improper access control (CVE-ID: CVE-2025-54098)

CWE-ID: CWE-284 - Improper Access Control

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local user to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions in Windows Hyper-V. A local user can bypass implemented security restrictions and gain elevated privileges on the system.


2) Race condition (CVE-ID: CVE-2025-54115)

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a race condition in Windows Hyper-V. A local user can exploit the race and escalate privileges on the system.


3) Race condition (CVE-ID: CVE-2025-55224)

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to execute arbitrary code on the system.

The vulnerability exists due to a race condition in Windows Hyper-V. A remote user can trick a victim to open a specially crafted file and execute arbitrary code on the target system.


4) Integer overflow (CVE-ID: CVE-2025-54091)

CWE-ID: CWE-190 - Integer overflow

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local user to execute arbitrary code on the target system.

The vulnerability exists due to integer overflow in Windows Hyper-V. A local user can pass specially crafted data to the application, trigger integer overflow and execute arbitrary code on the target system with elevated privileges.


5) Race condition (CVE-ID: CVE-2025-54092)

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a race condition in Windows Hyper-V. A local user can exploit the race and escalate privileges on the system.


Remediation

Install update from vendor's website.

References