Improper Authentication in Microsoft Windows and Windows Server - CVE-2024-49039

 

Improper Authentication in Microsoft Windows and Windows Server - CVE-2024-49039

Published: November 12, 2024 / Updated: December 19, 2024


Vulnerability identifier: #VU100270
CSH Severity: High
CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2024-49039
CWE-ID: CWE-287
Exploitation vector: Local access
Exploit availability: The vulnerability is being exploited in the wild

Vulnerability details

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to improper authentication in the Windows Task Scheduler. A local user can run a specially crafted application to execute arbitrary code with elevated privileges.

Note, the vulnerability is being actively exploited in the wild.


Affected software

Microsoft Windows
Windows Server

How to mitigate CVE-2024-49039

Install updates from vendor's website.

Microsoft Windows - addressed in versions 10 21H2 10.0.19044.5131, 10 22H2 10.0.19045.5131, 10 1507 10.0.10240.20826, 10 1607 10.0.14393.7515, 10 1809 10.0.17763.6532, 11 22H2 10.0.22621.4460, 11 23H2 10.0.22631.4460, 11 24H2 10.0.26100.2240, 11 24H2 10.0.26100.2314
Windows Server - addressed in versions 2022 23H2 10.0.25398.1251, 2022 10.0.20348.2849, 2025 10.0.26100.2240, 2025 10.0.26100.2314

Links to Public Exploits and PoC-codes

External References

Related Security Bulletins