CVE-2026-78896: Information leak in Google Chrome
Description
An information leak vulnerability exists in the StorageAccessAPI of Google Chrome versions prior to 152.0.7977.65. This flaw allows a remote attacker to obtain cross-origin data by tricking a user into visiting a crafted HTML page. The vulnerability has a medium severity rating with a CVSS score of 4.3. Google has released an update in version 152.0.7977.65 that addresses this issue.
CVSS v3.1
Score 4.3medium
Affected software
Chrome
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-78896 is an information leak vulnerability in the StorageAccessAPI component of Google Chrome. It affects versions before 152.0.7977.65 and permits a remote attacker to obtain cross-origin data via a crafted HTML page. The vulnerability is rated as low severity by Chromium security but medium severity overall with a CVSS 3.1 base score of 4.3, reflecting the potential confidentiality impact. The issue is resolved in Chrome version 152.0.7977.65.
Potential Impact
A remote attacker can exploit this vulnerability to leak cross-origin data, potentially exposing sensitive information from other websites the user has visited. There is no impact on integrity or availability. The confidentiality impact is limited but notable enough to warrant a medium severity rating.
Mitigation Recommendations
Users and administrators should update Google Chrome to version 152.0.7977.65 or later to remediate this vulnerability. The vendor advisory confirms that this update fixes the issue. No additional mitigation steps are required beyond applying the official patch.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-08-25T06:03:54.241Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_0256176589.html","vendor":"Google"}]
Threat ID: 6a8df9b5acd9273b49ac6d4b
Added to database: 08/25/2026, 20:23:17 UTC
Last enriched: 09/10/2026, 17:38:20 UTC
Last updated: 10/09/2026, 18:48:23 UTC
Views: 48
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