Security features bypass in Windows and Windows Server - CVE-2024-21351

 

Security features bypass in Windows and Windows Server - CVE-2024-21351

Published: February 13, 2024


Vulnerability identifier: #VU86397
CSH Severity: Critical
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:H/VA:L/SC:N/SI:N/SA:N/E:A/U:Red
CVE-ID: CVE-2024-21351
CWE-ID: CWE-254
Exploitation vector: Remote access
Exploit availability: The vulnerability is being exploited in the wild
Vulnerable software:
Windows
Windows Server
Software vendor:
Microsoft

Description

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to improper input validation when handling files downloaded from the Internet. A remote attacker can bypass the SmartScreen protection feature and trick the victim into launching a malicious files on the system.

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


Remediation

Install updates from vendor's website.

External links