CVE-2026-79091: Use after free in Google Chrome
Description
CVE-2026-79091 is a use-after-free vulnerability in the Bluetooth component of Google Chrome on macOS versions prior to 152.0.7977.65. This flaw allows a remote attacker to execute arbitrary code outside the browser sandbox by tricking a user into visiting a specially crafted HTML page. The vulnerability has a high CVSS score of 9.6, indicating critical severity. There is no explicit vendor advisory stating the patch status, but the affected versions are prior to 152.0.7977.65, implying that updating to this version or later mitigates the 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 Bluetooth implementation of Google Chrome on macOS. An attacker can exploit this by leveraging social engineering to convince a user to open a malicious HTML page, which then triggers arbitrary code execution outside the sandbox environment. 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 vulnerability affects Chrome versions before 152.0.7977.65 on macOS. The vendor advisory linked suggests a stable channel update addressing this issue.
Potential Impact
Successful exploitation allows remote attackers to execute arbitrary code outside the sandbox on affected Chrome versions on macOS. This can lead to full compromise of the user's browser environment and potentially the underlying system. The critical CVSS score reflects the high potential impact on confidentiality, integrity, and availability.
Mitigation Recommendations
Users and administrators should update Google Chrome on macOS to version 152.0.7977.65 or later to remediate this vulnerability. The vendor advisory indicates a stable channel update that addresses this issue. No additional mitigation steps are specified or required beyond applying the update.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-08-25T06:09:10.916Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_0256176589.html","vendor":"Google"}]
Threat ID: 6a8df9cfacd9273b49ac7031
Added to database: 08/25/2026, 20:23:43 UTC
Last enriched: 09/09/2026, 23:22:21 UTC
Last updated: 10/08/2026, 06:48:19 UTC
Views: 26
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