CVE-2026-17957: Inappropriate implementation in Google Chrome
CVE-2026-17957 is a low-severity vulnerability in Google Chrome prior to version 151.0.7922.72 involving an inappropriate implementation of CORS. This flaw could allow a remote attacker who has compromised the renderer process to leak cross-origin data via a crafted HTML page. The vulnerability does not affect integrity or availability and requires user interaction with a high attack complexity. No known exploits are reported in the wild.
AI Analysis
Technical Summary
This vulnerability involves an inappropriate implementation of Cross-Origin Resource Sharing (CORS) in Google Chrome versions before 151.0.7922.72. It allows a remote attacker, who has already compromised the renderer process, to leak data across origins by using a specially crafted HTML page. The issue is classified under CWE-346 (Origin Validation Error). The CVSS score is 3.1 (low), indicating limited impact and requiring user interaction and high attack complexity.
Potential Impact
The impact is limited to confidentiality, allowing leakage of cross-origin data. There is no impact on integrity or availability. Exploitation requires prior compromise of the renderer process and user interaction, making exploitation conditions restrictive. No known active exploitation has been reported.
Mitigation Recommendations
A fix is available in Google Chrome version 151.0.7922.72. Users and administrators should update to this version or later to remediate the vulnerability. The vendor advisory linked provides official update information. No additional mitigation steps are indicated.
CVE-2026-17957: Inappropriate implementation in Google Chrome
Description
CVE-2026-17957 is a low-severity vulnerability in Google Chrome prior to version 151.0.7922.72 involving an inappropriate implementation of CORS. This flaw could allow a remote attacker who has compromised the renderer process to leak cross-origin data via a crafted HTML page. The vulnerability does not affect integrity or availability and requires user interaction with a high attack complexity. No known exploits are reported in the wild.
CVSS v3.1
Score 3.1low
Affected software
Chrome
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 involves an inappropriate implementation of Cross-Origin Resource Sharing (CORS) in Google Chrome versions before 151.0.7922.72. It allows a remote attacker, who has already compromised the renderer process, to leak data across origins by using a specially crafted HTML page. The issue is classified under CWE-346 (Origin Validation Error). The CVSS score is 3.1 (low), indicating limited impact and requiring user interaction and high attack complexity.
Potential Impact
The impact is limited to confidentiality, allowing leakage of cross-origin data. There is no impact on integrity or availability. Exploitation requires prior compromise of the renderer process and user interaction, making exploitation conditions restrictive. No known active exploitation has been reported.
Mitigation Recommendations
A fix is available in Google Chrome version 151.0.7922.72. Users and administrators should update to this version or later to remediate the vulnerability. The vendor advisory linked provides official update information. No additional mitigation steps are indicated.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-07-27T23:37:08.107Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_0887107924.html","vendor":"Google"}]
Threat ID: 6a6aa0aa9c2644c7f849bb9b
Added to database: 07/30/2026, 00:54:02 UTC
Last enriched: 08/06/2026, 17:23:14 UTC
Last updated: 09/11/2026, 19:31:53 UTC
Views: 37
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