CVE-2026-113214: Improper input validation in Google Chrome
Description
CVE-2026-113214 is an improper input validation vulnerability in the FullScreen feature of Google Chrome before version 156.0.8078.47. This flaw allows a remote attacker to potentially 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. A fix is available in Chrome version 156.0.8078.47.
CVSS v3.1
Score 8.8high
Affected software
Chrome
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves improper input validation in the FullScreen functionality of Google Chrome prior to version 156.0.8078.47. An attacker can exploit this by delivering a specially crafted HTML page that triggers arbitrary code execution inside the browser's sandbox environment. The CVSS 3.1 score of 8.8 indicates a high impact on confidentiality, integrity, and availability. The vendor has released an official fix in version 156.0.8078.47.
Potential Impact
Successful exploitation could allow remote code execution within the sandboxed environment of the browser, potentially compromising confidentiality, integrity, and availability of the affected system. However, the sandbox limits the scope of impact to the browser context.
Mitigation Recommendations
An official fix is available in Google 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
- 2026-10-19T23:09:37.955Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop_02018666648.html","vendor":"Google"}]
Threat ID: 6ad7df992cdf04f6566428ce
Added to database: 10/20/2026, 21:39:37 UTC
Last enriched: 10/20/2026, 23:33:22 UTC
Last updated: 10/20/2026, 23:34:07 UTC
Views: 3
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