CVE-2026-17777: Inappropriate implementation in Google Chrome
CVE-2026-17777 is a medium severity vulnerability in Google Chrome's Autofill feature prior to version 151.0.7922.72. It allows a remote attacker to leak cross-origin data through a crafted HTML page. The vulnerability is related to an inappropriate implementation classified under CWE-346. No known exploits are reported in the wild. A vendor advisory is available but does not explicitly confirm patch status or remediation details.
AI Analysis
Technical Summary
This vulnerability involves an inappropriate implementation in the Autofill component of Google Chrome before version 151.0.7922.72. It enables a remote attacker to leak data across origins by leveraging a specially crafted HTML page. The issue is categorized under CWE-346, indicating a security bypass or improper security control. The CVSS score is 4.3 (medium), reflecting limited confidentiality impact without integrity or availability effects. The vendor advisory link is provided but does not specify if an official fix or mitigation is available.
Potential Impact
The vulnerability allows unauthorized disclosure of cross-origin data, potentially exposing sensitive user information autofilled by the browser. There is no indication of integrity or availability impact. No active exploits have been reported, reducing immediate risk but the data leak could be leveraged in targeted attacks.
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. Until an official fix is confirmed, users should exercise caution with untrusted web content and consider disabling Autofill features if possible.
CVE-2026-17777: Inappropriate implementation in Google Chrome
Description
CVE-2026-17777 is a medium severity vulnerability in Google Chrome's Autofill feature prior to version 151.0.7922.72. It allows a remote attacker to leak cross-origin data through a crafted HTML page. The vulnerability is related to an inappropriate implementation classified under CWE-346. No known exploits are reported in the wild. A vendor advisory is available but does not explicitly confirm patch status or remediation details.
CVSS v3.1
Score 4.3medium
Affected software
Chrome
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves an inappropriate implementation in the Autofill component of Google Chrome before version 151.0.7922.72. It enables a remote attacker to leak data across origins by leveraging a specially crafted HTML page. The issue is categorized under CWE-346, indicating a security bypass or improper security control. The CVSS score is 4.3 (medium), reflecting limited confidentiality impact without integrity or availability effects. The vendor advisory link is provided but does not specify if an official fix or mitigation is available.
Potential Impact
The vulnerability allows unauthorized disclosure of cross-origin data, potentially exposing sensitive user information autofilled by the browser. There is no indication of integrity or availability impact. No active exploits have been reported, reducing immediate risk but the data leak could be leveraged in targeted attacks.
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. Until an official fix is confirmed, users should exercise caution with untrusted web content and consider disabling Autofill features if possible.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-07-27T23:34:43.405Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_0887107924.html","vendor":"Google"}]
Threat ID: 6a6aa0909c2644c7f849b1cf
Added to database: 07/30/2026, 00:53:36 UTC
Last enriched: 08/06/2026, 17:43:14 UTC
Last updated: 09/11/2026, 22:06:32 UTC
Views: 45
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