SB2024091091 - Security features bypass in Microsoft Windows Mark of the Web
Published: September 10, 2024
Security Bulletin ID
SB2024091091
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 security vulnerability.
1) Protection Mechanism Failure (CVE-ID: CVE-2024-38217)
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to insufficient implementation of security measures. An attacker can trick the victim into downloading a specially crafted file, evade Mark of the Web (MOTW) defenses and bypass security features such as SmartScreen Application Reputation security check and/or the legacy Windows Attachment Services security prompt.
Note, the vulnerability is being actively exploited in the wild.
Remediation
Install update from vendor's website.