CVE-2026-79056: Use after free in Google Chrome
Description
CVE-2026-79056 is a use-after-free vulnerability in the ServiceWorker component of Google Chrome prior to version 152.0.7977.65. This flaw allows a remote attacker to potentially execute arbitrary code outside the browser sandbox by delivering a crafted HTML page. The vulnerability has a high CVSS score of 9.6, indicating critical severity. No known exploits in the wild have been reported. The vendor advisory linked corresponds to a stable channel update addressing this issue.
CVSS v3.1
Score 9.6critical
Affected software
Chrome
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a use-after-free condition in the ServiceWorker implementation of Google Chrome versions before 152.0.7977.65. Exploitation could enable remote code execution outside the sandbox environment via a specially crafted HTML page. The CVSS 3.1 vector indicates network attack vector, low attack complexity, no privileges required, user interaction required, scope changed, and high impact on confidentiality, integrity, and availability. The issue is publicly disclosed and patched in Chrome 152.0.7977.65.
Potential Impact
Successful exploitation allows remote attackers to execute arbitrary code outside the sandbox, potentially compromising the affected system's confidentiality, integrity, and availability. This elevates the risk to critical levels given the potential for full system compromise through a crafted web page.
Mitigation Recommendations
Users should update Google Chrome to version 152.0.7977.65 or later, where this vulnerability is fixed. The vendor advisory confirms the availability of an official fix in this stable channel update. No additional mitigation steps are indicated by the vendor.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-08-25T06:08:23.360Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_0256176589.html","vendor":"Google"}]
Threat ID: 6a8df9caacd9273b49ac6f9d
Added to database: 08/25/2026, 20:23:38 UTC
Last enriched: 09/09/2026, 23:37:32 UTC
Last updated: 10/09/2026, 18:48:23 UTC
Views: 49
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