High Threat Security Alert (A26-03-17): Multiple Vulnerabilities in Microsoft Edge

Description:

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

Reports indicated that a remote code execution vulnerability (CVE-2026-3910) is being exploited in the wild. Users are advised to take immediate action to patch your affected systems to mitigate the elevated risk of cyber attacks.

Affected Systems:

• Microsoft Edge prior to version 146.0.3856.59

Impact:

Successful exploitation of the vulnerabilities could lead to remote code execution, denial of service, 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 146.0.3856.59 or later to address the issue.

More Information:

• https://docs.microsoft.com/en-us/DeployEdge/microsoft-edge-relnotes-security#march-13-2026
• https://www.hkcert.org/security-bulletin/microsoft-edge-multiple-vulnerabilities_20260316
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-3910
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-3913 (to CVE-2026-3932)
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-3934 (to CVE-2026-3942)