Check Point Advisories

Microsoft Edge Chromium Privilege Escalation (CVE-2024-21388)

Vulnerability
Protection

Check Point Reference:	CPAI-2024-0188
Date Published:	24 Apr 2024
Severity:	Medium
Last Updated:	Wednesday 24 April, 2024
Source:
Industry Reference:	CVE-2024-21388
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Microsoft Edge Chromium prior to 121.0.2277.83
Vulnerability Description	A privilege escalation vulnerability exists in Microsoft Edge Chromium. Successful exploitation of this vulnerability would allow a remote attacker to gain unauthorized access to the affected system.

Protection Overview

This protection detects attempts to exploit this vulnerability.

In order for the protection to be activated, update your Security Gateway product to the latest IPS update. For information on how to update IPS, go to SBP-2006-05, click on Protection tab and select the version of your choice.

Security Gateway R81 / R80 / R77 / R75

In the IPS tab, click Protections and find the Microsoft Edge Chromium Privilege Escalation (CVE-2024-21388) protection using the Search tool and Edit the protection's settings.
Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name: Web Client Enforcement Violation.
Attack Information: Microsoft Edge Chromium Privilege Escalation (CVE-2024-21388)