What is CVE-2026-0391?

CVE-2026-0391 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-2026-0391 cover?

CVE-2026-0391 covers the following CVE IDs: CVE-2026-0391. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-0391?

CVE-2026-0391 has a CVSS v3 base score of 6.5, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2026-0391?

CVE-2026-0391 affects 1 product, including: Microsoft Edge (Chromium-based).

CVE-2026-0391MediumCVSS 6.5

Microsoft Edge (Chromium-based) for Android Spoofing Vulnerability

Vendor

Microsoft Security Response Center (MSRC)

Published

February 5, 2026

Last Modified

—

🔗 CVE IDs covered (1)

CVE-2026-0391 →

📋 Description

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

🎯 Affected products1

Microsoft Edge (Chromium-based)

✅ Remediation

KBRelease Notes (Security Update) — fixed build 143.0.3650.66

🔗 References (2)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-0391
referencehttps://docs.microsoft.com/en-us/DeployEdge/microsoft-edge-relnotes-security