SB2026051275 - Two spoofing vulnerabilities in Microsoft Edge for Android

Description

This security bulletin contains information about 2 vulnerabilities.

1) Spoofing attack (CVE-ID: CVE-2026-35429)

CWE-ID: CWE-451 - User Interface (UI) Misrepresentation of Critical Information (Clickjacking, spoofing)

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green

The vulnerability allows a remote attacker to perform spoofing attack.

The vulnerability exists due to incorrect processing of user-supplied data. A remote attacker can trick the victim into visiting a specially crafted webpage and spoof the page content.

2) Spoofing attack (CVE-ID: CVE-2026-42891)

CWE-ID: CWE-451 - User Interface (UI) Misrepresentation of Critical Information (Clickjacking, spoofing)

CVSSv4: CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:A/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green

The vulnerability allows a remote attacker to perform spoofing attack.

The vulnerability exists due to incorrect processing of user-supplied data. A remote attacker can trick the victim into visiting a specially crafted webpage and spoof the page content.

Remediation

Install update from vendor's website.

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-35429
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42891