CVE-2026-79252: Information leak in Google Chrome
Description
An information leak vulnerability exists in the ServiceWorker component of Google Chrome versions prior to 152.0.7977.65. This flaw allows a remote attacker to obtain cross-origin data by crafting a malicious HTML page. The vulnerability has a medium severity rating with a CVSS score of 4.3. No known exploits are reported in the wild. The issue is addressed in Chrome version 152.0.7977.65.
CVSS v3.1
Score 4.3medium
Affected software
Chrome
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-79252 is an information disclosure vulnerability in Google Chrome's ServiceWorker implementation before version 152.0.7977.65. A remote attacker can exploit this flaw by delivering a specially crafted HTML page that causes the browser to leak data from other origins, violating the same-origin policy. The vulnerability is rated medium severity with a CVSS 3.1 score of 4.3, indicating limited confidentiality impact without integrity or availability effects. The flaw is fixed in Chrome 152.0.7977.65.
Potential Impact
The vulnerability allows remote attackers to obtain cross-origin data, potentially exposing sensitive information from other websites or services accessed by the user. There is no impact on data integrity or availability. No active exploitation has been reported.
Mitigation Recommendations
Users and administrators should update Google Chrome to version 152.0.7977.65 or later to remediate this vulnerability. The vendor advisory indicates the issue is fixed in this version. No additional mitigation steps are specified.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-08-25T06:12:37.165Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_0256176589.html","vendor":"Google"}]
Threat ID: 6a8df9e6acd9273b49ac733b
Added to database: 08/25/2026, 20:24:06 UTC
Last enriched: 09/10/2026, 13:09:35 UTC
Last updated: 10/08/2026, 06:48:19 UTC
Views: 35
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