CVE-2026-113203: Use after free in Google Chrome
Description
CVE-2026-113203 is a use-after-free vulnerability in the CSS component of Google Chrome prior to version 156.0.8078.47. This flaw allows a remote attacker to potentially execute arbitrary code within the browser's sandbox by crafting a malicious HTML page. The vulnerability has a high severity rating with a CVSS score of 8.8. Google has released an update to address this issue.
CVSS v3.1
Score 8.8high
Affected software
Chrome
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a use-after-free condition in the CSS processing of Google Chrome versions before 156.0.8078.47. Exploitation requires a user to visit a specially crafted HTML page, which can lead to arbitrary code execution inside the sandboxed environment of the browser. The issue is classified with a high impact on confidentiality, integrity, and availability, as indicated by the CVSS vector. The vendor has published a stable channel update to remediate this vulnerability.
Potential Impact
Successful exploitation could allow an attacker to execute arbitrary code within the sandbox of the affected Chrome browser, potentially compromising the confidentiality, integrity, and availability of the user's environment. However, exploitation requires user interaction (visiting a malicious page). No known exploits in the wild have been reported at this time.
Mitigation Recommendations
Google has released an official fix in Chrome version 156.0.8078.47. 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
- 2026-10-19T23:07:56.832Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop_02018666648.html","vendor":"Google"}]
Threat ID: 6ad7df972cdf04f6566428bf
Added to database: 10/20/2026, 21:39:35 UTC
Last enriched: 10/20/2026, 23:33:33 UTC
Last updated: 10/20/2026, 23:34:07 UTC
Views: 2
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