Description:

Microsoft released a security update to address multiple vulnerabilities in Microsoft Edge (Chromium-based).  A remote attacker could entice a user to open a web page with specially crafted content on a vulnerable browser to exploit the vulnerability.

Reports indicate that the vulnerability (CVE-2021-30633) is being exploited in the wild.  You are advised to take immediate action to patch your affected systems to mitigate the elevated risk of cyber attacks.

Affected Systems:

• Microsoft Edge (Chromium-based) prior to version 93.0.961.52

Impact:

Successful exploitation of the vulnerabilities could lead to arbitrary code execution, denial of service or security restriction bypass on an affected system.

Recommendation:

Users of affected systems should update Microsoft Edge (Chromium-based) to version 93.0.961.52 or later to address the issue.

The list of security updates can be found at:
https://docs.microsoft.com/en-us/DeployEdge/microsoft-edge-relnotes-security#september-16-2021

More Information:

• https://docs.microsoft.com/en-us/DeployEdge/microsoft-edge-relnotes-security#september-16-2021
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30625 (to CVE-2021-30631)
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30633