Security Alert (A25-12-04): Multiple Vulnerabilities in Microsoft Edge

Description:

Microsoft has released security updates to address multiple vulnerabilities in Microsoft Edge. A remote attacker could entice a user to open a web page with specially crafted content on a vulnerable browser to exploit the vulnerabilities.

Affected Systems:

• Microsoft Edge prior to version 143.0.3650.66

Impact:

Successful exploitation of the vulnerabilities could lead to remote code execution, denial of service, elevation of privilege, information disclosure, security restriction bypass or spoofing on an affected system.

Recommendation:

System administrators and users of affected systems should update Microsoft Edge to version 143.0.3650.66 or later to address the issue.

More Information:

• https://docs.microsoft.com/en-us/DeployEdge/microsoft-edge-relnotes-security#december-04-2025
• https://www.hkcert.org/security-bulletin/microsoft-edge-multiple-vulnerabilities_20251205
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-13630 (to CVE-2025-13640)
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-13720 (to CVE-2025-13721)
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-62223