CVE-2026-14040

Published Jun 30, 2026 CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
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)

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-4672-1 chromium security update
Debian DSA Debian DSA DSA-6378-1 chromium security update
History
Type Values Removed Values Added
Title Use‑after‑Free in Chrome BrowserTag Enables Heap Corruption via Malicious Extension
Type Values Removed Values Added
Title Use‑after‑Free in Chrome BrowserTag Enables Heap Corruption via Malicious Extension
Type Values Removed Values Added
Title Use‑After‑Free Leading to Local Code Execution via Malicious Chrome Extension
Type Values Removed Values Added
Title Use‑After‑Free Leading to Local Code Execution via Malicious Chrome Extension
Type Values Removed Values Added
Title Use‑After‑Free in BrowserTag Enabling Heap Corruption via Malicious Chrome Extension
Type Values Removed Values Added
Title Use‑After‑Free in BrowserTag Enabling Heap Corruption via Malicious Chrome Extension
Type Values Removed Values Added
Title Use‑After‑Free in Chrome BrowserTag Enables Heap Corruption via Malicious Extension
Type Values Removed Values Added
Title Use‑After‑Free in Chrome BrowserTag Enables Heap Corruption via Malicious Extension
Type Values Removed Values Added
Title Use-After-Free Vulnerability in Chrome BrowserTag May Enable Local Heap Corruption
Type Values Removed Values Added
Title Use-After-Free Vulnerability in Chrome BrowserTag May Enable Local Heap Corruption
Type Values Removed Values Added
Title Use‑after‑Free in Chrome BrowserTag Enables Heap Corruption via Malicious Extension
Type Values Removed Values Added
Title Use‑after‑Free in Chrome BrowserTag Enables Heap Corruption via Malicious Extension
Type Values Removed Values Added
Title Use‑After‑Free in BrowserTag Leading to Heap Corruption via Malicious Chrome Extension
Type Values Removed Values Added
Title Use‑After‑Free in BrowserTag Leading to Heap Corruption via Malicious Chrome Extension
Type Values Removed Values Added
Title Use‑After‑Free in Chrome BrowserTag Allows Local Heap Corruption via Malicious Extension
Type Values Removed Values Added
Title Use‑After‑Free in Chrome BrowserTag Allows Local Heap Corruption via Malicious Extension
Type Values Removed Values Added
Title Use after free vulnerability in Chrome’s BrowserTag enabling local code execution
Type Values Removed Values Added
Title Use after free vulnerability in Chrome’s BrowserTag enabling local code execution
Type Values Removed Values Added
Title Use‑after‑Free in BrowserTag Exploits via Malicious Chrome Extension
Type Values Removed Values Added
Title Use‑after‑Free in BrowserTag Exploits via Malicious Chrome Extension
Type Values Removed Values Added
Title Chrome BrowserTag Use‑After‑Free Enables Heap Corruption via Malicious Extension
Type Values Removed Values Added
Title Chrome BrowserTag Use‑After‑Free Enables Heap Corruption via Malicious Extension
Type Values Removed Values Added
Title Use‑After‑Free in BrowserTag Enables Heap Corruption via Malicious Chrome Extension
Type Values Removed Values Added
Title Use‑After‑Free in BrowserTag Enables Heap Corruption via Malicious Chrome Extension
Type Values Removed Values Added
Title Use-After-Free in BrowserTag Allows Heap Corruption via Malicious Extensions
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Google
Google chrome
Vendors & Products Google
Google chrome
Type Values Removed Values Added
Title Use-After-Free in BrowserTag Allows Heap Corruption via Malicious Extensions
Type Values Removed Values Added
Title Use‑After‑Free in BrowserTag Allows Heap Corruption via Malicious Extension in Chrome
Type Values Removed Values Added
Title Use‑After‑Free in BrowserTag Allows Heap Corruption via Malicious Extension in Chrome
Type Values Removed Values Added
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)
Weaknesses CWE-416
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
Chrome
Published
Updated
Jul 1, 2026, 7:17 PM
Reserved
Jun 29, 2026, 11:11 PM
Status
Analyzed
Published
Jun 30, 2026, 11:17 PM
Modified
Oct 25, 2026, 9:10 PM