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EPSS 0.2%top 88%

CVE-2026-11666: Insufficient validation of untrusted input in Google Chrome

0
Medium
VulnerabilityCVE-2026-11666cvecve-2026-11666
Published: 06/08/2026 (06/08/2026, 23:27:42 UTC)
Source: CVE Database V5
Vendor/Project: Google
Product: Chrome

Description

CVE-2026-11666 is a vulnerability in Google Chrome prior to version 149.0.7827.103 involving insufficient validation of untrusted input. This flaw allows a remote attacker to perform UI spoofing via a crafted HTML page. The vulnerability has a CVSS score of 5.4, indicating medium severity. No known exploits are reported in the wild. The vendor advisory linked does not explicitly confirm patch availability or remediation status.

CVSS v3.1

Score 5.4medium

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
Low
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L

Affected software

GitHub Actionsmore threats →ai
chromium/chromium
pkg:github/chromium/chromium
Affected versions
<149.0.7827.103

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AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 06/16/2026, 08:45:10 UTC

Technical Analysis

This vulnerability in Google Chrome involves insufficient validation of untrusted input, which can be exploited by a remote attacker to conduct UI spoofing attacks through specially crafted HTML content. The issue affects Chrome versions before 149.0.7827.103. The CVSS vector indicates the attack requires no privileges but user interaction, with low confidentiality impact and low availability impact. The vendor advisory is available but does not explicitly state if a fix has been released.

Potential Impact

An attacker can remotely induce a user to interact with a spoofed user interface element, potentially misleading the user. The impact is limited to UI spoofing with low confidentiality and availability impact. There is no indication of code execution or privilege escalation. No known exploits in the wild have been reported.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory at https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_0153744567.html for current remediation guidance. Until official confirmation of a fix, users should exercise caution when interacting with untrusted web content. No specific temporary mitigations are provided by the vendor.

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Technical Details

Data Version
5.2
Assigner Short Name
Chrome
Date Reserved
2026-06-08T21:33:45.727Z
Cvss Version
null
State
PUBLISHED
Remediation Level
null
Vendor Advisory Urls
[{"url":"https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_0153744567.html","vendor":"Google"}]

Threat ID: 6a2754e6e29bf47b50c4c36e

Added to database: 06/08/2026, 23:48:54 UTC

Last enriched: 06/16/2026, 08:45:10 UTC

Last updated: 07/31/2026, 19:22:57 UTC

Views: 52

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