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Public proof of conceptFix available

CVE-2025-62454

A public proof of concept exists; no exploitation attested.

  • Published2025-12-09
  • Fixed in10.0.17763.8146
  • WeaknessCWE-122

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

Heap-based buffer overflow in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally.

Timeline

dates in UTC
  1. 2025-12-0918:15CVE publishedNVD

Versions per branch

NVD
Microsoft windows 10 1809
BranchAffectedFixed in
10.0< 10.0.17763.814610.0.17763.8146
Microsoft windows 10 21h2
BranchAffectedFixed in
10.0< 10.0.19044.669110.0.19044.6691
Microsoft windows 10 22h2
BranchAffectedFixed in
10.0< 10.0.19045.669110.0.19045.6691

7 more products in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Products declared by the CNA13 products

As microsoft, the CNA that assigned this CVE, declared them in the CVE record; versions as written.

  • Microsoft Windows 10 Version 1809

    platforms: 32-bit Systems, x64-based Systems

    Affected
    • ≥ 10.0.17763.0, < 10.0.17763.8146fixed in 10.0.17763.8146custom
  • Microsoft Windows 10 Version 21H2

    platforms: 32-bit Systems, ARM64-based Systems, x64-based Systems

    Affected
    • ≥ 10.0.19044.0, < 10.0.19044.6691fixed in 10.0.19044.6691custom
  • Microsoft Windows 10 Version 22H2

    platforms: 32-bit Systems, ARM64-based Systems, x64-based Systems

    Affected
    • ≥ 10.0.19045.0, < 10.0.19045.6691fixed in 10.0.19045.6691custom
  • Microsoft Windows 11 version 22H3

    platforms: ARM64-based Systems

    Affected
    • ≥ 10.0.22631.0, < 10.0.22631.6345fixed in 10.0.22631.6345custom
  • Microsoft Windows 11 Version 23H2

    platforms: x64-based Systems

    Affected
    • ≥ 10.0.22631.0, < 10.0.22631.6345fixed in 10.0.22631.6345custom
  • Microsoft Windows 11 Version 24H2

    platforms: ARM64-based Systems, x64-based Systems

    Affected
    • ≥ 10.0.26100.0, < 10.0.26100.7462fixed in 10.0.26100.7462custom

7 more products in the CVE record.

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2026-04-16

Fix

  1. Update Microsoft windows 10 1809 to 10.0.17763.8146

Advisories and patches

Detection

read 2026-11-01 01:02 UTC
Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
2025-12-09
Last Modified
2026-06-17
NVD status
Analyzed
GitHub Advisory
GHSA-vh3f-47cg-xc52

Frequently asked questions

What is CVE-2025-62454?

Heap-based buffer overflow in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally.

Is CVE-2025-62454 actively exploited?

Active exploitation of CVE-2025-62454 has not been confirmed. Its EPSS score was 2.3% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2025-62454?

CVE-2025-62454 has a CVSS v3 base score of 7.8 (HIGH severity), with vector string CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

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Sources for this record