Is CVE-2025-47999 in the CISA KEV catalog?

No. CVE-2025-47999 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-47999?

CVE-2025-47999 has a CVSS v3 base score of 6.8 (MEDIUM).

What is the EPSS score for CVE-2025-47999?

CVE-2025-47999 has an EPSS score of 0.37% (28th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2025-47999?

Install KB5062560 for Windows 10 Version 1607. Fixes are available for 16 affected products.

CVE & CISA-KEV Catalog

CVE-2025-47999

MEDIUM

6.8

CVSS v3

NVD

Description

Missing synchronization in Windows Hyper-V allows an authorized attacker to deny service over an adjacent network.

CWE-820

How to fix

Remediation Available

Windows 10 Version 1607Windows

Install:KB5062560Microsoft

Windows 10 Version 1809Windows

Install:KB5062557Microsoft

Windows 10 Version 21H2Windows

Install:KB5062554Microsoft

Windows 10 Version 22H2Windows

Install:KB5062554Microsoft

Windows 11 Version 22H2Windows

Install:KB5062552Microsoft

Windows 11 Version 23H2Windows

Install:KB5062552Microsoft

Windows 11 Version 24H2Windows

Install:KB5062553Microsoft

Windows Server 2016Windows

Install:KB5062560Microsoft

Windows Server 2016 (Server Core installation)Windows

Install:KB5062560Microsoft

Windows Server 2019Windows

Install:KB5062557Microsoft

Windows Server 2019 (Server Core installation)Windows

Install:KB5062557Microsoft

Windows Server 2022Windows

Install:KB5062572Microsoft

Windows Server 2022 (Server Core installation)Windows

Install:KB5062572Microsoft

Windows Server 2022, 23H2 Edition (Server Core installation)Windows

Install:KB5062570Microsoft

Windows Server 2025Windows

Install:KB5062553Microsoft

Windows Server 2025 (Server Core installation)Windows

Install:KB5062553Microsoft

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 VectorAdjacent

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeChanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

0.37%probability of exploitation in 30 days

28thpercentile

Low risk: more likely to be exploited than 28% of all known CVEs.

References

Vendor Advisory1

msrc.microsoft.com

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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 2025-07-15.