High Threat Security Alert (A21-06-09): Multiple vulnerabilities in Microsoft Edge (Chromium-based)

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-2021-30551) is being exploited in the wild. Users of affected systems 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 91.0.864.48

Impact:

A successful exploitation could lead to arbitrary code execution, information disclosure, security restriction bypass or system corruption on an affected system.

Recommendation:

Users of affected systems should update Microsoft Edge (Chromium-based) to version 91.0.864.48 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#june-11-2021

More Information:

• https://docs.microsoft.com/en-us/deployedge/microsoft-edge-relnotes-security#june-11-2021
• https://www.hkcert.org/security-bulletin/microsoft-edge-multiple-vulnerabilities_20210615
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30544 (to CVE-2021-30553)