Numeric Truncation Error in Windows Server - CVE-2024-43639
Published: November 12, 2024
Vulnerability identifier: #VU100409
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2024-43639
CWE-ID: CWE-197
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to numeric truncation error in Windows Kerberos. A remote attacker can use a specially crafted application and execute arbitrary code on the target system.
Affected software
Windows Server
How to mitigate CVE-2024-43639
Install updates from vendor's website.
Windows Server - addressed in versions 2012 R2 6.3.9600.22267, 2012 6.2.9200.25165, 2016 10.0.14393.7515, 2019 10.0.17763.6532, 2022 23H2 10.0.25398.1251, 2022 10.0.20348.2849, 2025 10.0.26100.2240, 2025 10.0.26100.2314