Code Injection in Microsoft Edge - CVE-2026-65804
Published: July 31, 2026 / Updated: August 2, 2026
Vulnerability identifier: #VU140718
CSH Severity: Medium
CVSS v4 BT: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]
CVE-ID: CVE-2026-65804
CWE-ID: CWE-94
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to spoof content and disclose sensitive information.
The vulnerability exists due to improper control of generation of code ('code injection') in Microsoft Edge (Chromium-based) when rendering an attacker-controlled webpage. A remote attacker can craft a malicious webpage to spoof content and disclose sensitive information.
User interaction is required to visit the attacker-controlled webpage and perform the gestures that activate autofill, and the user may also need to click a popup displayed on the site. Successful exploitation can affect resources beyond the security scope of the vulnerable component.
Affected software
Microsoft Edge
How to mitigate CVE-2026-65804
Install security update from vendor's website.
Microsoft Edge - update to 151.0.4129.59