Improper access control in Microsoft Edge - CVE-2026-58523

Vulnerability details

The vulnerability allows a remote attacker to bypass a security feature.

The vulnerability exists due to improper access control in Microsoft Edge for Android autofill handling when a user visits an attacker-controlled webpage and performs two tap gestures that activate autofill. A remote attacker can craft a malicious webpage to bypass a security feature.

User interaction is required to visit the attacker-controlled webpage and perform two tap gestures that cause autofill to activate.

Affected software

How to mitigate CVE-2026-58523

External References

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2026-58523
• https://docs.microsoft.com/en-us/DeployEdge/microsoft-edge-relnotes-security

Related Security Bulletins

• Multiple vulnerabilities in Microsoft Edge