CVE-2026-17664: Insufficient validation of untrusted input in Google Chrome
CVE-2026-17664 is a high-severity vulnerability in Google Chrome prior to version 151.0.7922.72. It involves insufficient validation of untrusted input in the Loader component, which allows a remote attacker who has compromised the renderer process to leak cross-origin data via a crafted HTML page. This vulnerability affects the Chrome desktop browser and was publicly disclosed in July 2026.
AI Analysis
Technical Summary
This vulnerability in Google Chrome's Loader component allows an attacker with control over the renderer process to bypass input validation and leak data across origins. The issue exists in versions before 151.0.7922.72. The vulnerability was assigned CVE-2026-17664 and is classified with high severity by Chromium security. No CVSS score is provided. The vendor advisory URL indicates a stable channel update addressing this issue, but explicit patch status is not confirmed in the provided data.
Potential Impact
An attacker who has already compromised the renderer process can exploit this vulnerability to leak sensitive cross-origin data, potentially exposing confidential information from other web origins. This can lead to privacy breaches and data leakage within the browser context.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory at https://chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_0887107924.html for current remediation guidance. Users and administrators should apply the latest stable Chrome updates once available to address this vulnerability.
CVE-2026-17664: Insufficient validation of untrusted input in Google Chrome
Description
CVE-2026-17664 is a high-severity vulnerability in Google Chrome prior to version 151.0.7922.72. It involves insufficient validation of untrusted input in the Loader component, which allows a remote attacker who has compromised the renderer process to leak cross-origin data via a crafted HTML page. This vulnerability affects the Chrome desktop browser and was publicly disclosed in July 2026.
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in Google Chrome's Loader component allows an attacker with control over the renderer process to bypass input validation and leak data across origins. The issue exists in versions before 151.0.7922.72. The vulnerability was assigned CVE-2026-17664 and is classified with high severity by Chromium security. No CVSS score is provided. The vendor advisory URL indicates a stable channel update addressing this issue, but explicit patch status is not confirmed in the provided data.
Potential Impact
An attacker who has already compromised the renderer process can exploit this vulnerability to leak sensitive cross-origin data, potentially exposing confidential information from other web origins. This can lead to privacy breaches and data leakage within the browser context.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory at https://chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_0887107924.html for current remediation guidance. Users and administrators should apply the latest stable Chrome updates once available to address this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-07-27T23:34:17.506Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_0887107924.html","vendor":"Google"}]
Threat ID: 6a6aa07d9c2644c7f849a692
Added to database: 07/30/2026, 00:53:17 UTC
Last enriched: 07/30/2026, 03:07:14 UTC
Last updated: 07/30/2026, 03:07:14 UTC
Views: 2
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