CVE-2026-19165: Use after free in Google Chrome
Use after free in Extensions in Google Chrome prior to 151.0.7922.109 allowed an attacker who convinced a user to install a malicious extension to execute arbitrary code inside a sandbox via a crafted Chrome Extension. (Chromium security severity: High)
AI Analysis
Technical Summary
CVE-2026-19165 is a use-after-free vulnerability in the Extensions module of Google Chrome before version 151.0.7922.109. Exploitation requires user interaction in the form of installing a crafted malicious extension. Successful exploitation can lead to arbitrary code execution inside the sandbox, potentially compromising browser security. The vulnerability is tracked as CWE-416 and has a CVSS v3.1 score of 7.5, indicating high impact on confidentiality, integrity, and availability.
Potential Impact
An attacker who convinces a user to install a malicious Chrome extension can execute arbitrary code within the sandboxed environment of the browser. This can lead to compromise of browser security, potentially allowing unauthorized actions or data access within the sandbox. The vulnerability affects confidentiality, integrity, and availability of the affected system components.
Mitigation Recommendations
A fix is available in Google Chrome version 151.0.7922.109 and later. Users and administrators should update to this version or newer to remediate the vulnerability. No additional mitigations are specified in the provided data. Patch status is confirmed by the version boundary in the description.
CVE-2026-19165: Use after free in Google Chrome
Description
Use after free in Extensions in Google Chrome prior to 151.0.7922.109 allowed an attacker who convinced a user to install a malicious extension to execute arbitrary code inside a sandbox via a crafted Chrome Extension. (Chromium security severity: High)
CVSS v3.1
Score 7.5high
Affected software
pkg:github/chromium/chromiumRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-19165 is a use-after-free vulnerability in the Extensions module of Google Chrome before version 151.0.7922.109. Exploitation requires user interaction in the form of installing a crafted malicious extension. Successful exploitation can lead to arbitrary code execution inside the sandbox, potentially compromising browser security. The vulnerability is tracked as CWE-416 and has a CVSS v3.1 score of 7.5, indicating high impact on confidentiality, integrity, and availability.
Potential Impact
An attacker who convinces a user to install a malicious Chrome extension can execute arbitrary code within the sandboxed environment of the browser. This can lead to compromise of browser security, potentially allowing unauthorized actions or data access within the sandbox. The vulnerability affects confidentiality, integrity, and availability of the affected system components.
Mitigation Recommendations
A fix is available in Google Chrome version 151.0.7922.109 and later. Users and administrators should update to this version or newer to remediate the vulnerability. No additional mitigations are specified in the provided data. Patch status is confirmed by the version boundary in the description.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-2865-9gvm-5wwx
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-19165"]
- Database Specific Severity
- HIGH
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6a757398bf8831d539d9119b
Added to database: 08/07/2026, 05:56:40 UTC
Last enriched: 08/07/2026, 07:56:39 UTC
Last updated: 09/21/2026, 22:41:33 UTC
Views: 32
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