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MEDIUM · 6.5

CVE-2026-42891

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

Vulnerability Description

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

CVSS Score

6.5

MEDIUM

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
LOW
Availability
NONE

Affected Products

VendorProductVersions
MicrosoftEdge Chromium< 148.0.3967.55

Related Weaknesses (CWE)

CWE-451

References

FAQ

What is CVE-2026-42891?

CVE-2026-42891 is a vulnerability with a CVSS score of 6.5 (MEDIUM). User interface (ui) misrepresentation of critical information in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.

How severe is CVE-2026-42891?

CVE-2026-42891 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-42891?

Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Edge Chromium.