CVE-2026-106269: Use after free in Google Chrome
Description
A use-after-free vulnerability in the CSS component of Google Chrome prior to version 155.0.8059.39 allows a remote attacker to execute arbitrary code within the sandbox by crafting a malicious HTML page. The vulnerability has a high severity rating with a CVSS score of 8.8. This issue affects versions before 155.0.8059.39 and has been addressed in that version.
CVSS v3.1
Score 8.8high
Affected software
Chrome
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-106269 is a use-after-free vulnerability in the CSS handling of Google Chrome that affects versions prior to 155.0.8059.39. This flaw allows remote attackers to execute arbitrary code inside the sandbox environment by delivering a specially crafted HTML page. The vulnerability has a CVSS 3.1 base score of 8.8, indicating high severity with network attack vector, low attack complexity, no privileges required, user interaction required, and impacts confidentiality, integrity, and availability. The vendor has released an official fix in Chrome version 155.0.8059.39.
Potential Impact
Successful exploitation of this vulnerability could allow a remote attacker to execute arbitrary code within the sandboxed environment of Chrome, potentially leading to full compromise of the affected browser process. The impact includes complete confidentiality, integrity, and availability loss within the sandboxed context.
Mitigation Recommendations
Users should update Google Chrome to version 155.0.8059.39 or later, where this vulnerability has been fixed. Applying this official update fully mitigates the risk. No additional mitigations are required once the update is applied.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-10-06T16:34:00.423Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop_086471744.html","vendor":"Google"}]
Threat ID: 6ac546432cdf04f656d49d87
Added to database: 10/06/2026, 19:04:35 UTC
Last enriched: 10/06/2026, 21:48:32 UTC
Last updated: 10/06/2026, 21:48:32 UTC
Views: 5
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