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CVE-20XX-?

CVE-2026-42891

6.5 MEDIUM 0.3% exploit odds Fix listed

What it is

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

At a glance

Exploitability: Can be exploited over the network without logging in. High risk of data exposure.
Exploit odds: 0.3% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2026-05-12 18:17 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-10-26 18:10 UTC Last updatedMost recent change to the record

Details

Published: 2026-05-12 18:17 UTC
Last modified: 2026-10-26 18:10 UTC
Exploit probability: 0.3% · EPSS, next 30 days
Weakness: CWE-451
Record status: Analyzed

Affected

Microsoft Edge Chromium < 148.0.3967.55

Attack profile CVSS 3.1 · 6.5

Attack vector: Network
Complexity: High
Privileges needed: None
User interaction: None
Scope: Unchanged
Confidentiality: High
Integrity: Low
Availability: None

Raw vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N

Meme: I wake up, CVE-2026-42891

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Fix and advisories

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

References

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

NVD record · CVE.org record