CVE-2026-11666

Name: CVE-2026-11666
Creator: NVD / NIST
Published: 2026-06-09T00:16:49.747+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.21%

Last modified Jun 17, 2026

CVE-2026-11666 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. Insufficient validation of untrusted input in Input in Google Chrome prior to 149.0.7827.103 allowed a remote attacker to perform UI spoofing via a crafted HTML page. (Chromium security severity: High). EPSS estimates a 0.21% chance of exploitation in the next 30 days.

Description

Insufficient validation of untrusted input in Input in Google Chrome prior to 149.0.7827.103 allowed a remote attacker to perform UI spoofing via a crafted HTML page. (Chromium security severity: High)

Metrics

CVSS 3.1

5.4/10

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

EPSS Probability

0.21%

11.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions
Google	Chrome	< 149.0.7827.103

References

https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_0153744567.htmlRelease Notes, Vendor Advisory
https://issues.chromium.org/issues/514009323Permissions Required

Timeline

Published: Jun 9, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-11666?

How severe is CVE-2026-11666?

CVE-2026-11666 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.21% probability of exploitation in the next 30 days.

How do I fix CVE-2026-11666?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-11666?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST