# CVE-2025-53779: Windows Kerberos Elevation of Privilege Vulnerability

CVE-2025-53779 is fixed in 2 products on 1 platform, first by KB5063878, released August 12, 2025. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2025-53779
- Priority: High
- CVSS: 7.2 (Moderate)
- EPSS: 0.0271
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: yes
- Vendor exploitability assessment: Exploitation Less Likely
- Published: Aug 12, 2025
- Weakness: Relative Path Traversal
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-53779

## Description

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

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Microsoft | Windows Server 2025 | 26100.4946 | [KB5063878](https://patchblox.com/security/data/fix/microsoft/kb5063878.md) | Aug 12, 2025 |
| Microsoft | Windows Server 2025 | 26100.4851 | [KB5064010](https://patchblox.com/security/data/fix/microsoft/kb5064010.md) | Aug 12, 2025 |
| Microsoft | Windows Server 2025 (Server Core installation) | 26100.4946 | [KB5063878](https://patchblox.com/security/data/fix/microsoft/kb5063878.md) | Aug 12, 2025 |
| Microsoft | Windows Server 2025 (Server Core installation) | 26100.4851 | [KB5064010](https://patchblox.com/security/data/fix/microsoft/kb5064010.md) | Aug 12, 2025 |

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Data as of 2026-11-08T13:06:02Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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