Improper access control in Microsoft Edge - CVE-2026-58525
Published: July 15, 2026
Vulnerability identifier: #VU137805
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2026-58525
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Microsoft
Affected software:
Microsoft Edge
Microsoft Edge
Detailed vulnerability description
The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.
The vulnerability exists due to improper access restrictions. A remote attacker can trick the victim into visiting a specially crafted website and bypass implemented security restrictions.
How to mitigate CVE-2026-58525
Install updates from vendor's website.