CVE-2026-11066: Insufficient validation of untrusted input in Google Chrome
CVE-2026-11066 is a critical vulnerability in Google Chrome's ANGLE component prior to version 149.0.7827.53. It involves insufficient validation of untrusted input, which could allow a remote attacker to perform a sandbox escape via a crafted HTML page. The vulnerability has a high CVSS score of 9.6, indicating severe impact on confidentiality, integrity, and availability. No known exploits are reported in the wild at this time. The vendor advisory linked does not explicitly confirm patch availability or remediation status.
AI Analysis
Technical Summary
This vulnerability in Google Chrome's ANGLE component arises from insufficient validation of untrusted input, enabling a remote attacker to potentially escape the browser sandbox by delivering a specially crafted HTML page. The affected versions include all Chrome versions prior to 149.0.7827.53. The CVSS 3.1 score of 9.6 reflects network attack vector, low attack complexity, no privileges required, user interaction required, scope change, and high impact on confidentiality, integrity, and availability. The vendor advisory is available but does not explicitly state patch or remediation details.
Potential Impact
Successful exploitation could allow an attacker to escape the Chrome sandbox, potentially leading to full compromise of the host system's security boundaries. This includes unauthorized access to sensitive information, modification of data, and disruption of system availability. The vulnerability is rated critical due to the high CVSS score and the nature of sandbox escape.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory at https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop.html for current remediation guidance. Until official fixes are confirmed and applied, users should exercise caution when browsing untrusted websites and avoid interacting with suspicious HTML content.
CVE-2026-11066: Insufficient validation of untrusted input in Google Chrome
Description
CVE-2026-11066 is a critical vulnerability in Google Chrome's ANGLE component prior to version 149.0.7827.53. It involves insufficient validation of untrusted input, which could allow a remote attacker to perform a sandbox escape via a crafted HTML page. The vulnerability has a high CVSS score of 9.6, indicating severe impact on confidentiality, integrity, and availability. No known exploits are reported in the wild at this time. The vendor advisory linked does not explicitly confirm patch availability or remediation status.
CVSS v3.1
Score 9.6critical
Affected software
pkg:github/chromium/chromiumRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in Google Chrome's ANGLE component arises from insufficient validation of untrusted input, enabling a remote attacker to potentially escape the browser sandbox by delivering a specially crafted HTML page. The affected versions include all Chrome versions prior to 149.0.7827.53. The CVSS 3.1 score of 9.6 reflects network attack vector, low attack complexity, no privileges required, user interaction required, scope change, and high impact on confidentiality, integrity, and availability. The vendor advisory is available but does not explicitly state patch or remediation details.
Potential Impact
Successful exploitation could allow an attacker to escape the Chrome sandbox, potentially leading to full compromise of the host system's security boundaries. This includes unauthorized access to sensitive information, modification of data, and disruption of system availability. The vulnerability is rated critical due to the high CVSS score and the nature of sandbox escape.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory at https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop.html for current remediation guidance. Until official fixes are confirmed and applied, users should exercise caution when browsing untrusted websites and avoid interacting with suspicious HTML content.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-06-04T17:06:42.074Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop.html","vendor":"Google"}]
Threat ID: 6a220826e29bf47b50dbbcf0
Added to database: 06/04/2026, 23:20:06 UTC
Last enriched: 06/12/2026, 10:30:11 UTC
Last updated: 07/31/2026, 19:22:57 UTC
Views: 35
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