External Control of File Name or Path in Microsoft Edge for Android - CVE-2026-66310
Published: July 31, 2026 / Updated: August 2, 2026
Vulnerability identifier: #VU140710
CSH Severity: Low
CVSS v4 BT: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID: CVE-2026-66310
CWE-ID: CWE-73
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to disclose sensitive information.
The vulnerability exists due to external control of file name or path in Microsoft Edge for Android when processing a crafted website or URL. A remote attacker can cause the browser to access an attacker-controlled file name or path to disclose sensitive information.
Affected software
Microsoft Edge for Android
How to mitigate CVE-2026-66310
Install security update from vendor's website.
Microsoft Edge for Android - update to 151.0.4129.59