What is CVE-2026-42891?

CVE-2026-42891 is a security advisory published by Microsoft Security Response Center (MSRC) with Medium severity. Microsoft Edge (Chromium-based) for Android Spoofing Vulnerability

Which CVE IDs does CVE-2026-42891 cover?

CVE-2026-42891 covers the following CVE IDs: CVE-2026-42891. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-42891?

CVE-2026-42891 has a CVSS v3 base score of 6.5, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2026-42891?

CVE-2026-42891 affects 1 product, including: Microsoft Edge for Android.

CVE-2026-42891MediumCVSS 6.5

Microsoft Edge (Chromium-based) for Android Spoofing Vulnerability

Vendor

Microsoft Security Response Center (MSRC)

Published

May 22, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2026-42891 →

📋 Description

User interface (ui) misrepresentation of critical information in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.

🎯 Affected products1

Microsoft Edge for Android

✅ Remediation

KBRelease Notes (Security Update) — fixed build 148.0.3967.55

🔗 References (2)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42891
referencehttps://docs.microsoft.com/en-us/DeployEdge/microsoft-edge-relnotes-security