Description:
Microsoft has released a security update to address a vulnerability 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 vulnerability.
Affected Systems:
- Microsoft Edge prior to version 143.0.3650.139
Impact:
Successful exploitation of the vulnerability could lead to security restriction bypass on an affected system.
Recommendation:
System administrators and users of affected systems should update Microsoft Edge to version 143.0.3650.139 or later to address the issue.
More Information:
- https://docs.microsoft.com/en-us/DeployEdge/microsoft-edge-relnotes-security#january-09-2026
- https://www.hkcert.org/security-bulletin/microsoft-edge-security-restriction-bypass-vulnerability_20260112
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-0628
