CVE-2026-11666: Insufficient validation of untrusted input in Google Chrome
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.
AI Analysis
Technical Summary
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.
CVE-2026-11666: Insufficient validation of untrusted input in Google 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
Affected software
pkg:github/chromium/chromiumRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
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.
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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