CVE & CISA-KEV Catalog

CVE-2025-48807

MEDIUM
6.7
CVSS v3
NVD

Description

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

How to fix

Remediation Available
Windows 10 Version 1607Windows
Install:KB5065427Microsoft
Windows 10 Version 1809Windows
Install:KB5065428Microsoft
Windows 10 Version 21H2Windows
Install:KB5065429Microsoft
Windows 10 Version 22H2Windows
Install:KB5065429Microsoft
Windows 11 Version 22H2Windows
Install:KB5065431Microsoft
Windows 11 Version 23H2Windows
Install:KB5065431Microsoft
Windows 11 Version 24H2Windows
Install:KB5065474Microsoft
Install:KB5065426Microsoft
Windows Server 2016Windows
Install:KB5065427Microsoft
Windows Server 2016 (Server Core installation)Windows
Install:KB5065427Microsoft
Windows Server 2019Windows
Install:KB5065428Microsoft
Windows Server 2019 (Server Core installation)Windows
Install:KB5065428Microsoft
Windows Server 2022Windows
Install:KB5065306Microsoft
Install:KB5065432Microsoft
Windows Server 2022 (Server Core installation)Windows
Install:KB5065432Microsoft
Install:KB5065306Microsoft
Windows Server 2022, 23H2 Edition (Server Core installation)Windows
Install:KB5065425Microsoft
Windows Server 2025Windows
Install:KB5065426Microsoft
Install:KB5065474Microsoft
Windows Server 2025 (Server Core installation)Windows
Install:KB5065474Microsoft
Install:KB5065426Microsoft

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal
Attack ComplexityHigh
Privileges RequiredLow
User InteractionRequired
ScopeUnchanged

Impact

ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H

Exploit Intelligence

0.47%probability of exploitation in 30 days
38thpercentile

Low risk: more likely to be exploited than 38% of all known CVEs.

References

Vendor Advisory1

Related Vulnerabilities

Other CWE-923 vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2024-24974High7.59.8%-Fix
CVE-2025-48999High8.87.8%-Fix
CVE-2021-38487High8.23.3%-Fix
CVE-2019-17440Critical10.01.7%--
CVE-2022-2663Medium5.31.5%-Fix
CVE-2021-32635Medium6.31.4%--

Common questions

How do I fix CVE-2025-48807?

Published advisories record a fix for 16 affected products. The "How to fix" section on this page lists the fixed version and source advisory for each one, so apply the entry matching what you actually run.

Is CVE-2025-48807 being actively exploited?

Not that we know of. CVE-2025-48807 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.47% is the estimated probability that it will be exploited in the next 30 days. That is higher than 38% of all scored CVEs.

How severe is CVE-2025-48807?

CVE-2025-48807 has a CVSS v3 base score of 6.7, rated medium. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2025-48807 affect?

Published advisories record a fix for Windows 10 Version 1607 (Windows), Windows 10 Version 1809 (Windows), Windows 10 Version 21H2 (Windows), Windows 10 Version 22H2 (Windows), and 12 more. Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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CVE-2025-48807 severity badge

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-08-21.