Untrusted Pointer Dereference in Microsoft Edge - CVE-2026-58596
Published: July 15, 2026
Vulnerability identifier: #VU137800
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-58596
CWE-ID: CWE-822
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 elevate privileges.
The vulnerability exists due to untrusted pointer dereference in Microsoft Edge (Chromium-based) when rendering attacker-controlled web content. A remote attacker can host a specially crafted website and convince a user to visit it to escalate privileges.
Successful exploitation requires the user to visit the attacker-controlled webpage and perform two tap gestures that cause autofill to activate.
How to mitigate CVE-2026-58596
Install security update from vendor's website.