CVE & CISA-KEV Catalog

CVE-2025-53723

HIGH
7.8
CVSS v3
NVD

Description

Numeric truncation error in Windows Hyper-V allows an authorized attacker to elevate privileges locally.

How to fix

Remediation Available
Windows 10Windows
Install:KB5063889Microsoft
Windows 10 Version 1607Windows
Install:KB5063871Microsoft
Windows 10 Version 1809Windows
Install:KB5063877Microsoft
Windows 10 Version 21H2Windows
Install:KB5063709Microsoft
Windows 10 Version 22H2Windows
Install:KB5063709Microsoft
Windows 11 Version 22H2Windows
Install:KB5063875Microsoft
Windows 11 Version 23H2Windows
Install:KB5063875Microsoft
Windows 11 Version 24H2Windows
Install:KB5064010Microsoft
Install:KB5063878Microsoft
Windows Server 2012Windows
Install:KB5063906Microsoft
Windows Server 2012 (Server Core installation)Windows
Install:KB5063906Microsoft
Windows Server 2012 R2Windows
Install:KB5063950Microsoft
Windows Server 2012 R2 (Server Core installation)Windows
Install:KB5063950Microsoft
Windows Server 2016Windows
Install:KB5063871Microsoft
Windows Server 2016 (Server Core installation)Windows
Install:KB5063871Microsoft
Windows Server 2019Windows
Install:KB5063877Microsoft
Windows Server 2019 (Server Core installation)Windows
Install:KB5063877Microsoft
Windows Server 2022Windows
Install:KB5063812Microsoft
Install:KB5063880Microsoft
Windows Server 2022 (Server Core installation)Windows
Install:KB5063812Microsoft
Install:KB5063880Microsoft
Windows Server 2022, 23H2 Edition (Server Core installation)Windows
Install:KB5063899Microsoft
Windows Server 2025Windows
Install:KB5063878Microsoft
Install:KB5064010Microsoft
Windows Server 2025 (Server Core installation)Windows
Install:KB5064010Microsoft
Install:KB5063878Microsoft

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 ComplexityLow
Privileges RequiredLow
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

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

Exploit Intelligence

0.45%probability of exploitation in 30 days
37thpercentile

Low risk: more likely to be exploited than 37% of all known CVEs.

References

Vendor Advisory1

Related Vulnerabilities

Other CWE-122 (Heap-based Buffer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2015-3113Critical9.8100%KEVFix
CVE-2024-26256High7.888%-Fix
CVE-2020-25687Medium5.987%-Fix
CVE-2009-3459High8.887%KEVFix
CVE-2021-21017High8.886%KEV-
CVE-2020-25683Medium5.986%-Fix

Common questions

How do I fix CVE-2025-53723?

Published advisories record a fix for 21 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-2025-53723 being actively exploited?

Not that we know of. CVE-2025-53723 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.45% is the estimated probability that it will be exploited in the next 30 days. That is higher than 37% of all scored CVEs.

How severe is CVE-2025-53723?

CVE-2025-53723 has a CVSS v3 base score of 7.8, rated high. 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-2025-53723 affect?

Published advisories record a fix for Windows 10 (Windows), Windows 10 Version 1607 (Windows), Windows 10 Version 1809 (Windows), Windows 10 Version 21H2 (Windows), and 17 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-2025-53723 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 2025-08-15.