What is CVE-2025-53779?

CVE-2025-53779 is a high-severity vulnerability in Microsoft Windows Server 2025, classified under Relative Path Traversal. CVSS score: 7.2/10. Published 2025-08-12.

How severe is CVE-2025-53779?

High severity. CVSS v3 base score is 7.2 out of 10.

Is CVE-2025-53779 known to be exploited?

3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Path Traversal in Microsoft Windows Server 2025

CVE-2025-53779

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

EPSS: 0.026 (83.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Microsoft Windows Server 2025 — versions 10.0.26100.0
Microsoft Windows_server_2025
Microsoft Windows Server 2025 (Server Core Installation) — versions 10.0.26100.0

Weakness classification (CWE)

CWE-23 — Relative Path Traversal

Public proof-of-concept exploits

References

secure@microsoft.com (vendor-advisory, patch, Vendor Advisory)

Frequently asked questions

What is CVE-2025-53779?: CVE-2025-53779 is a high-severity vulnerability in Microsoft Windows Server 2025, classified under Relative Path Traversal. CVSS score: 7.2/10. Published 2025-08-12.
How severe is CVE-2025-53779?: High severity. CVSS v3 base score is 7.2 out of 10.
Is CVE-2025-53779 known to be exploited?: 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.