SB2024021334 - Security restrictions bypass in Microsoft Windows SmartScreen
Published: February 13, 2024
Security Bulletin ID
SB2024021334
CSH Severity
Critical
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Security features bypass (CVE-ID: CVE-2024-21351)
CWE-ID: CWE-254 - Security Features
CVSSv4: 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
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 update from vendor's website.