CVE-2026-106382: Use after free in Google Chrome
Description
CVE-2026-106382 is a critical use-after-free vulnerability in the Chromecast component of Google Chrome prior to version 155.0.8059.39. 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 severe impact on confidentiality, integrity, and availability. Google has released an official fix in Chrome version 155.0.8059.39.
CVSS v3.1
Score 9.6critical
Affected software
Chrome
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability is a use-after-free bug in the Chromecast functionality within Google Chrome versions before 155.0.8059.39. Exploitation requires user interaction (visiting a crafted HTML page) and enables remote code execution outside the sandbox, which can compromise the system. The CVSS 3.1 base score is 9.6, reflecting network attack vector, low attack complexity, no privileges required, user interaction needed, scope changed, and high impact on confidentiality, integrity, and availability. The vendor has published a stable channel update addressing this issue.
Potential Impact
Successful exploitation allows a remote attacker to execute arbitrary code outside the sandbox, potentially leading to full system compromise. The vulnerability affects confidentiality, integrity, and availability of the affected system.
Mitigation Recommendations
An official fix is available from Google in Chrome version 155.0.8059.39. Users and administrators should update to this version or later to remediate the vulnerability. No additional mitigation steps are indicated by the vendor advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-10-06T16:37:11.053Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop_086471744.html","vendor":"Google"}]
Threat ID: 6ac5465c2cdf04f656d4a085
Added to database: 10/06/2026, 19:05:00 UTC
Last enriched: 10/06/2026, 20:34:49 UTC
Last updated: 10/06/2026, 22:48:24 UTC
Views: 3
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