High Threat Security Alert (A26-10-46): 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.

Reports indicated that proof-of-concept (PoC) exploit codes for multiple vulnerabilities (CVE-2026-112995, CVE-2026-113009, CVE-2026-113010, CVE-2026-113022, CVE-2026-113118, CVE-2026-113139, CVE-2026-113141, CVE-2026-113142, CVE-2026-113146, CVE-2026-113147 and CVE-2026-113331) are available. System administrators 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 156.0.4314.42

Impact:

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

Recommendation:

System administrators and users of affected systems should update Microsoft Edge to version 156.0.4314.42 or later to address the issue.

More Information:

• https://docs.microsoft.com/en-us/DeployEdge/microsoft-edge-relnotes-security#october-22-2026
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-112992 (to CVE-2026-113344)