Read the docs
TI-2025-33677 Aliases CVE-2025-53779GHSA-93cj-3754-25wf

Windows Kerberos Elevation of Privilege Vulnerability

Priority LOW 39CWE-23Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
None
Attack complexity
Low
Impact type
Privilege escalation
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Microsoft. Impact type from Microsoft.

Summary

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

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.02708 86th percentileScored 2026-11-07
Fix Fixed Microsoft: 2 updates

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
MicrosoftWindows Server 202510.0.26100.0 to before 10.0.26100.494610.0.26100.4946Patch availableCNA
MicrosoftWindows Server 2025 (Server Core installation)10.0.26100.0 to before 10.0.26100.494610.0.26100.4946Patch availableCNA
  • Windows Server 2025 VendorMicrosoft Affected 10.0.26100.0 to before 10.0.26100.4946 Fixed in 10.0.26100.4946 Patch available CNA
  • Windows Server 2025 (Server Core installation) VendorMicrosoft Affected 10.0.26100.0 to before 10.0.26100.4946 Fixed in 10.0.26100.4946 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*before 10.0.26100.4851VulnerableMicrosoft
  • cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:* Versions before 10.0.26100.4851 Vulnerable ·Microsoft

Remediation

Microsoft 2 updates

  • SecurityHotpatchUpdate
    • Windows 11 Version 24H2 for ARM64-based Systems 10.0.26100.4851
    • Windows 11 Version 24H2 for x64-based Systems 10.0.26100.4851
    • Windows Server 2025 10.0.26100.4851
    • Windows Server 2025 (Server Core installation) 10.0.26100.4851
  • Security Update
    • Windows 11 Version 24H2 for ARM64-based Systems 10.0.26100.4946
    • Windows 11 Version 24H2 for x64-based Systems 10.0.26100.4946
    • Windows Server 2025 10.0.26100.4946
    • Windows Server 2025 (Server Core installation) 10.0.26100.4946

Vendor assessments

Microsoft

Microsoft's page for this CVE →

Impact
Elevation of Privilege
Exploited
No
Publicly disclosed
Yes
Exploitability
Exploitation Less Likely

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-53779
  2. 2026-10-03 Alias added: GHSA-93cj-3754-25wf

References

  • TI-2026-26194 Windows Internet Key Exchange (IKE) Service Extensions Remote Code Execution Vulnerability KEVCVSS 3.1CRITICAL 9.8
  • TI-2025-36863 Windows Server Update Service (WSUS) Remote Code Execution Vulnerability KEVCVSS 3.1CRITICAL 9.8
  • TI-2026-73128 Windows Shell Security Feature Bypass Vulnerability KEVCVSS 3.1HIGH 8.8
  • TI-2026-17367 MSHTML Framework Security Feature Bypass Vulnerability KEVCVSS 3.1HIGH 8.8
  • TI-2026-17364 Windows Shell Security Feature Bypass Vulnerability KEVCVSS 3.1HIGH 8.8
  • TI-2025-24062 Windows SMB Client Elevation of Privilege Vulnerability KEVCVSS 3.1HIGH 8.8
See all 3631 →

Sources