CVE-2026-17880: Inappropriate implementation in Google Chrome
CVE-2026-17880 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 via a crafted HTML page. The vulnerability is related to an inappropriate implementation of Autofill that can expose sensitive information across origins.
AI Analysis
Technical Summary
This vulnerability involves an inappropriate implementation in the Autofill functionality of Google Chrome versions before 151.0.7922.72. A remote attacker can exploit this flaw by crafting a malicious HTML page that causes cross-origin data leakage. The issue is classified under CWE-346 (Origin Validation Error). The CVSS v3.1 base score is 4.3, indicating a medium severity with network attack vector, low complexity, no privileges required, user interaction required, and limited confidentiality impact.
Potential Impact
An attacker can remotely cause leakage of cross-origin data through the Autofill feature, potentially exposing sensitive user information from other origins. There is no impact on integrity or availability reported. The vulnerability requires user interaction and does not require privileges.
Mitigation Recommendations
The vulnerability is fixed in Google Chrome version 151.0.7922.72. Users and administrators should update to this version or later to remediate the issue. No additional mitigation steps are indicated by the vendor advisory.
CVE-2026-17880: Inappropriate implementation in Google Chrome
Description
CVE-2026-17880 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 via a crafted HTML page. The vulnerability is related to an inappropriate implementation of Autofill that can expose sensitive information across origins.
CVSS v3.1
Score 4.3medium
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 in the Autofill functionality of Google Chrome versions before 151.0.7922.72. A remote attacker can exploit this flaw by crafting a malicious HTML page that causes cross-origin data leakage. The issue is classified under CWE-346 (Origin Validation Error). The CVSS v3.1 base score is 4.3, indicating a medium severity with network attack vector, low complexity, no privileges required, user interaction required, and limited confidentiality impact.
Potential Impact
An attacker can remotely cause leakage of cross-origin data through the Autofill feature, potentially exposing sensitive user information from other origins. There is no impact on integrity or availability reported. The vulnerability requires user interaction and does not require privileges.
Mitigation Recommendations
The vulnerability is fixed in Google Chrome version 151.0.7922.72. Users and administrators should update to this version or later to remediate the issue. No additional mitigation steps are indicated by the vendor advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-07-27T23:35:10.727Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_0887107924.html","vendor":"Google"}]
Threat ID: 6a6aa09f9c2644c7f849b7f4
Added to database: 07/30/2026, 00:53:51 UTC
Last enriched: 08/06/2026, 17:37:49 UTC
Last updated: 09/12/2026, 22:01:31 UTC
Views: 44
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