Spoofing attack in Microsoft Edge for Android - CVE-2026-0391
Published: February 6, 2026
Vulnerability identifier: #VU122422
CSH Severity: Medium
CVSS v4.0: 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-2026-0391
CWE-ID: CWE-451
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Microsoft
Affected software:
Microsoft Edge for Android
Microsoft Edge for Android
Detailed vulnerability description
The vulnerability allows a remote attacker to perform spoofing attack.
The vulnerability exists due to incorrect processing of user-supplied data in fullscreen mode. A remote attacker can spoof the browser UI and gain access to sensitive information.
How to mitigate CVE-2026-0391
Install updates from vendor's website.