CVE-2025-48807

Windows Hyper-V Remote Code Execution Vulnerability

Description

Improper restriction of communication channel to intended endpoints in Windows Hyper-V allows an authorized attacker to execute code locally.

Category

6.7
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.04%
Vendor Advisory microsoft.com
Affected: Microsoft Windows 10 Version 1809
Affected: Microsoft Windows Server 2019
Affected: Microsoft Windows Server 2019 (Server Core installation)
Affected: Microsoft Windows Server 2022
Affected: Microsoft Windows 10 Version 21H2
Affected: Microsoft Windows 11 version 22H2
Affected: Microsoft Windows 10 Version 22H2
Affected: Microsoft Windows Server 2025 (Server Core installation)
Affected: Microsoft Windows 11 version 22H3
Affected: Microsoft Windows 11 Version 23H2
Affected: Microsoft Windows Server 2022, 23H2 Edition (Server Core installation)
Affected: Microsoft Windows 11 Version 24H2
Affected: Microsoft Windows Server 2025
Affected: Microsoft Windows 10 Version 1607
Affected: Microsoft Windows Server 2016
Affected: Microsoft Windows Server 2016 (Server Core installation)
Published at:
Updated at:

References

Link Tags
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-48807 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2025-48807?
CVE-2025-48807 has been scored as a medium severity vulnerability.
How to fix CVE-2025-48807?
To fix CVE-2025-48807, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-48807 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-48807 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-48807?
CVE-2025-48807 affects Microsoft Windows 10 Version 1809, Microsoft Windows Server 2019, Microsoft Windows Server 2019 (Server Core installation), Microsoft Windows Server 2022, Microsoft Windows 10 Version 21H2, Microsoft Windows 11 version 22H2, Microsoft Windows 10 Version 22H2, Microsoft Windows Server 2025 (Server Core installation), Microsoft Windows 11 version 22H3, Microsoft Windows 11 Version 23H2, Microsoft Windows Server 2022, 23H2 Edition (Server Core installation), Microsoft Windows 11 Version 24H2, Microsoft Windows Server 2025, Microsoft Windows 10 Version 1607, Microsoft Windows Server 2016, Microsoft Windows Server 2016 (Server Core installation).
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.