// For flags

CVE-2025-47978

Windows Kerberos Denial of Service Vulnerability

Severity Score

6.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Track
*SSVC
Descriptions

Out-of-bounds read in Windows Kerberos allows an authorized attacker to deny service over a network.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
* Common Vulnerability Scoring System
SSVC
  • Decision:Track
Exploitation
None
Automatable
No
Tech. Impact
Partial
* Organization's Worst-case Scenario
Timeline
  • 2025-05-14 CVE Reserved
  • 2025-07-08 CVE Published
  • 2025-08-05 CVE Updated
  • 2025-08-09 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-125: Out-of-bounds Read
CAPEC
References (1)
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Microsoft
Search vendor "Microsoft"
Windows Server 2022
Search vendor "Microsoft" for product "Windows Server 2022"
>= 10.0.20348.0 < 10.0.20348.3932
Search vendor "Microsoft" for product "Windows Server 2022" and version " >= 10.0.20348.0 < 10.0.20348.3932"
en
Affected
Microsoft
Search vendor "Microsoft"
Windows Server 2025 (Server Core Installation)
Search vendor "Microsoft" for product "Windows Server 2025 (Server Core Installation)"
>= 10.0.26100.0 < 10.0.26100.4652
Search vendor "Microsoft" for product "Windows Server 2025 (Server Core Installation)" and version " >= 10.0.26100.0 < 10.0.26100.4652"
en
Affected
Microsoft
Search vendor "Microsoft"
Windows Server 2022, 23H2 Edition (Server Core Installation)
Search vendor "Microsoft" for product "Windows Server 2022, 23H2 Edition (Server Core Installation)"
>= 10.0.25398.0 < 10.0.25398.1732
Search vendor "Microsoft" for product "Windows Server 2022, 23H2 Edition (Server Core Installation)" and version " >= 10.0.25398.0 < 10.0.25398.1732"
en
Affected
Microsoft
Search vendor "Microsoft"
Windows Server 2025
Search vendor "Microsoft" for product "Windows Server 2025"
>= 10.0.26100.0 < 10.0.26100.4652
Search vendor "Microsoft" for product "Windows Server 2025" and version " >= 10.0.26100.0 < 10.0.26100.4652"
en
Affected