Security Alert (A26-04-21): 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 147.0.3912.72

Impact:

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

Recommendation:

System administrators and users of affected systems should update Microsoft Edge to version 147.0.3912.72 or later to address the issue.

More Information:

• https://docs.microsoft.com/en-us/DeployEdge/microsoft-edge-relnotes-security#april-17-2026
• https://www.hkcert.org/security-bulletin/microsoft-edge-multiple-vulnerabilities_20260420
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-6296 (to CVE-2026-6314)
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-6316 (to CVE-2026-6318)
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-6359 (to CVE-2026-6364)