Out-of-bounds read in Windows Server - CVE-2025-47978
Published: July 9, 2025
Vulnerability identifier: #VU112700
CSH Severity: Medium
CVSS v4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-47978
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary condition in Windows Kerberos. A remote user can trigger an out-of-bounds read error and cause a denial of service condition on the system.
Affected software
Windows Server
How to mitigate CVE-2025-47978
Install updates from vendor's website.
Windows Server - addressed in versions 2022 23H2 10.0.22621.5472, 2022 23H2 10.0.25398.1732, 2022 10.0.20348.3932, 2025 10.0.26100.4652