CVE-2024-20674
HighPublished
Windows Kerberos Security Feature Bypass Vulnerability
- Published
- Jan 9, 2024
- Updated
- May 3, 2025
- Assigning CNA
- microsoft
- Evidence observed
- Aug 8, 2026
Primary CVSS
8.8/ 10High
nvd · CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H17.2%
Moderate · next 30 days
- Percentile
- 97.0%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
Windows Kerberos Security Feature Bypass Vulnerability
Sources
1- CVE-2024-20674Exploit
Exploit for CVE-2024-20674: Kerberos mutual authentication bypass via logic bug in client-side U2U TGT-REP handling. Enables unauthenticated network MITM to serve arbitrary GPOs and compromise Windows machines.
Responsible use
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