CVE-2026-17843: Inappropriate implementation in Google Chrome
A medium severity vulnerability (CVE-2026-17843) in Google Chrome prior to version 151.0.7922.72 involves an inappropriate implementation in CSS that allows a remote attacker to leak cross-origin data via a crafted HTML page. This vulnerability does not affect availability or integrity but impacts confidentiality. No known exploits are reported in the wild. The issue is addressed in Chrome version 151.0.7922.72.
AI Analysis
Technical Summary
CVE-2026-17843 is a vulnerability in Google Chrome's CSS implementation before version 151.0.7922.72 that enables remote attackers to leak cross-origin data by crafting a malicious HTML page. The vulnerability is classified under CWE-346 (Inadequate Verification of Data Authenticity) and has a CVSS 3.1 base score of 4.3 (medium severity), indicating network attack vector, low complexity, no privileges required, user interaction required, unchanged scope, and limited confidentiality impact. The vendor advisory linked indicates a stable channel update that presumably includes the fix.
Potential Impact
The vulnerability allows remote attackers to leak cross-origin data, potentially exposing sensitive information from other origins. It does not affect system integrity or availability. There are no known exploits in the wild at this time.
Mitigation Recommendations
Users and administrators should update Google Chrome to version 151.0.7922.72 or later to remediate this vulnerability. The vendor advisory confirms the availability of a stable channel update addressing this issue. No additional mitigation steps are indicated.
CVE-2026-17843: Inappropriate implementation in Google Chrome
Description
A medium severity vulnerability (CVE-2026-17843) in Google Chrome prior to version 151.0.7922.72 involves an inappropriate implementation in CSS that allows a remote attacker to leak cross-origin data via a crafted HTML page. This vulnerability does not affect availability or integrity but impacts confidentiality. No known exploits are reported in the wild. The issue is addressed in Chrome version 151.0.7922.72.
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
CVE-2026-17843 is a vulnerability in Google Chrome's CSS implementation before version 151.0.7922.72 that enables remote attackers to leak cross-origin data by crafting a malicious HTML page. The vulnerability is classified under CWE-346 (Inadequate Verification of Data Authenticity) and has a CVSS 3.1 base score of 4.3 (medium severity), indicating network attack vector, low complexity, no privileges required, user interaction required, unchanged scope, and limited confidentiality impact. The vendor advisory linked indicates a stable channel update that presumably includes the fix.
Potential Impact
The vulnerability allows remote attackers to leak cross-origin data, potentially exposing sensitive information from other origins. It does not affect system integrity or availability. There are no known exploits in the wild at this time.
Mitigation Recommendations
Users and administrators should update Google Chrome to version 151.0.7922.72 or later to remediate this vulnerability. The vendor advisory confirms the availability of a stable channel update addressing this issue. No additional mitigation steps are indicated.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-07-27T23:35:02.496Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_0887107924.html","vendor":"Google"}]
Threat ID: 6a6aa09a9c2644c7f849b65e
Added to database: 07/30/2026, 00:53:46 UTC
Last enriched: 08/06/2026, 17:29:19 UTC
Last updated: 09/11/2026, 19:31:53 UTC
Views: 50
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