CVE-2026-14040: Use after free in Google Chrome
Use after free in BrowserTag in Google Chrome prior to 150.0.7871.47 allowed an attacker who convinced a user to install a malicious extension to potentially exploit heap corruption via a crafted Chrome Extension. (Chromium security severity: Low)
AI Analysis
Technical Summary
CVE-2026-14040 is a use-after-free vulnerability in the BrowserTag component of Google Chrome before version 150.0.7871.47. An attacker could exploit this by tricking a user into installing a crafted malicious Chrome extension, potentially causing heap corruption. The vulnerability is classified under CWE-416 and carries a high CVSS score of 8.8, indicating significant impact on confidentiality, integrity, and availability. The vendor advisory link is provided but does not explicitly state if a patch or fix has been released.
Potential Impact
Successful exploitation could lead to heap corruption, potentially allowing an attacker to execute arbitrary code or cause denial of service. The attack requires user interaction in the form of installing a malicious extension. The vulnerability affects confidentiality, integrity, and availability of the affected system.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory at https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_0175352312.html for current remediation guidance. Until a patch is confirmed, users should avoid installing untrusted Chrome extensions and follow best practices for extension management.
CVE-2026-14040: Use after free in Google Chrome
Description
Use after free in BrowserTag in Google Chrome prior to 150.0.7871.47 allowed an attacker who convinced a user to install a malicious extension to potentially exploit heap corruption via a crafted Chrome Extension. (Chromium security severity: Low)
CVSS v3.1
Score 8.8high
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-2026-14040 is a use-after-free vulnerability in the BrowserTag component of Google Chrome before version 150.0.7871.47. An attacker could exploit this by tricking a user into installing a crafted malicious Chrome extension, potentially causing heap corruption. The vulnerability is classified under CWE-416 and carries a high CVSS score of 8.8, indicating significant impact on confidentiality, integrity, and availability. The vendor advisory link is provided but does not explicitly state if a patch or fix has been released.
Potential Impact
Successful exploitation could lead to heap corruption, potentially allowing an attacker to execute arbitrary code or cause denial of service. The attack requires user interaction in the form of installing a malicious extension. The vulnerability affects confidentiality, integrity, and availability of the affected system.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory at https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_0175352312.html for current remediation guidance. Until a patch is confirmed, users should avoid installing untrusted Chrome extensions and follow best practices for extension management.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-06-29T23:11:29.964Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_0175352312.html","vendor":"Google"}]
Threat ID: 6a444c2c27e9c7971985d28b
Added to database: 06/30/2026, 23:07:24 UTC
Last enriched: 07/08/2026, 12:13:17 UTC
Last updated: 08/07/2026, 00:41:11 UTC
Views: 52
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