Description
Use after free in Extensions in Google Chrome prior to 150.0.7871.115 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: High)
Published: 2026-07-08
Score: 8.8 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Impact

A use‑after‑free vulnerability exists in the extension system of Google Chrome that can corrupt heap memory when a malicious extension is installed, potentially allowing an attacker to execute arbitrary code within the browser process. The defect is identified as CWE‑416, a classic memory‑corruption flaw.

Affected Systems

All installations of Google Chrome prior to version 150.0.7871.115 on any supported operating system are affected. Users who load extensions from untrusted or malicious sources are at risk.

Risk and Exploitability

The CVSS score of 8.8 indicates a high potential impact if the flaw is exploited. The EPSS score of less than 1% suggests that the likelihood of exploitation at this time is very low, yet the issue can be leveraged through social engineering by persuading a user to install a compromised extension. The vulnerability is not currently listed in the CISA KEV catalog.

Generated by OpenCVE AI on July 26, 2026 at 16:25 UTC.

Remediation

No vendor fix or workaround currently provided.

OpenCVE Recommended Actions

  • Update Chrome to version 150.0.7871.115 or newer.
  • Remove or disable all extensions that are not sourced from the Chrome Web Store.
  • Configure enterprise policies to block extension installation from unknown sources and enforce automatic browser updates.

Generated by OpenCVE AI on July 26, 2026 at 16:25 UTC.

Tracking

Sign in to view the affected projects.

Advisories
Source ID Title
Debian DLA Debian DLA DLA-4677-1 chromium security update
Debian DSA Debian DSA DSA-6387-1 chromium security update
History

Thu, 23 Jul 2026 11:00:00 +0000

Type Values Removed Values Added
Title Use‑After‑Free in Chrome Extensions Enables Heap Corruption

Tue, 21 Jul 2026 02:15:00 +0000

Type Values Removed Values Added
Title Use‑After‑Free in Chrome Extensions Enables Heap Corruption

Fri, 17 Jul 2026 09:00:00 +0000

Type Values Removed Values Added
Title Use-After-Free in Chrome Extensions Enables Heap Corruption

Wed, 15 Jul 2026 05:45:00 +0000

Type Values Removed Values Added
Title Use-After-Free in Chrome Extensions Enables Heap Corruption

Tue, 14 Jul 2026 05:00:00 +0000

Type Values Removed Values Added
Title Use-After-Free in Chrome Extensions Allows Heap Corruption

Sun, 12 Jul 2026 08:00:00 +0000

Type Values Removed Values Added
Title Use-After-Free in Chrome Extensions Allows Heap Corruption

Sat, 11 Jul 2026 13:30:00 +0000

Type Values Removed Values Added
Title Heap Corruption via Use-After-Free in Google Chrome Extensions

Sat, 11 Jul 2026 04:30:00 +0000

Type Values Removed Values Added
Title Heap Corruption via Use-After-Free in Google Chrome Extensions

Fri, 10 Jul 2026 05:30:00 +0000

Type Values Removed Values Added
Title Chrome Extension Use‑After‑Free Heap Corruption Vulnerability

Thu, 09 Jul 2026 11:30:00 +0000

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'}


Thu, 09 Jul 2026 09:15:00 +0000

Type Values Removed Values Added
Title Chrome Extension Use‑After‑Free Heap Corruption Vulnerability

Thu, 09 Jul 2026 00:45:00 +0000

Type Values Removed Values Added
First Time appeared Google
Google chrome
Vendors & Products Google
Google chrome

Wed, 08 Jul 2026 23:00:00 +0000

Type Values Removed Values Added
Description Use after free in Extensions in Google Chrome prior to 150.0.7871.115 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: High)
Weaknesses CWE-416
References

cve-icon MITRE

Status: PUBLISHED

Assigner: Chrome

Published:

Updated: 2026-07-09T10:37:34.437Z

Reserved: 2026-07-08T17:07:39.115Z

Link: CVE-2026-15110

cve-icon Vulnrichment

Updated: 2026-07-09T10:37:17.028Z

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-07-26T16:30:06Z

Weaknesses