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Public proof of conceptFix available

CVE-2025-53779

A public proof of concept exists; no exploitation attested.

  • Published2025-08-12
  • Fixed in10.0.26100.4851
  • WeaknessCWE-23

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

Relative path traversal in Windows Kerberos allows an authorized attacker to elevate privileges over a network.

Timeline

dates in UTC
  1. 2025-08-1218:15CVE publishedNVD

Versions per branch

NVD
Microsoft windows server 2025
BranchAffectedFixed in
10.0< 10.0.26100.485110.0.26100.4851

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

Products declared by the CNA2 products

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

  • Microsoft Windows Server 2025

    platforms: x64-based Systems

    Affected
    • ≥ 10.0.26100.0, < 10.0.26100.4946fixed in 10.0.26100.4946custom
  • Microsoft Windows Server 2025 (Server Core installation)

    platforms: x64-based Systems

    Affected
    • ≥ 10.0.26100.0, < 10.0.26100.4946fixed in 10.0.26100.4946custom

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2026-02-13

Fix

  1. Update Microsoft windows server 2025 to 10.0.26100.4851

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:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Published
2025-08-12
Last Modified
2026-06-17
NVD status
Analyzed
GitHub Advisory
GHSA-93cj-3754-25wf

Frequently asked questions

What is CVE-2025-53779?

Relative path traversal in Windows Kerberos allows an authorized attacker to elevate privileges over a network.

Is CVE-2025-53779 actively exploited?

Active exploitation of CVE-2025-53779 has not been confirmed. Its EPSS score was 2.7% on 2026-11-09, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2025-53779?

CVE-2025-53779 has a CVSS v3 base score of 7.2 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

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Sources for this record