Integer underflow in Microsoft Windows and Windows Server - CVE-2024-49103
Published: December 10, 2024
Vulnerability identifier: #VU101432
CSH Severity: Low
CVSS v4: 5.1 [CVSS:4.0/AV:P/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2024-49103
CWE-ID: CWE-191
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to gain access to potentially sensitive information.
The vulnerability exists due to integer underflow in Windows Wireless Wide Area Network Service (WwanSvc). An authenticated attacker with physical access can send a specially crafted request to the affected application, trigger integer underflow and gain unauthorized access to sensitive information on the system.
Affected software
Microsoft Windows
Windows Server
Windows Server
How to mitigate CVE-2024-49103
Install updates from vendor's website.
Microsoft Windows - addressed in versions 10 21H2 10.0.19044.5247, 10 22H2 10.0.19045.5247, 10 1607 10.0.14393.7606, 10 1809 10.0.17763.6659, 11 22H2 10.0.22621.4602, 11 23H2 10.0.22631.4602
Windows Server - addressed in versions 2016 10.0.14393.7606, 2022 23H2 10.0.25398.1308, 2025 10.0.26100.2528, 2025 10.0.26100.2605
Windows Server - addressed in versions 2016 10.0.14393.7606, 2022 23H2 10.0.25398.1308, 2025 10.0.26100.2528, 2025 10.0.26100.2605