CVE-2026-8587: Use after free in Extensions

Published Apr 28, 2026
·
Updated

Chromium: CVE-2026-8587 Use after free in Extensions

Other sources

This CVE was assigned by Chrome.  Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information

Microsoft

Use after free in Extensions in Google Chrome on Mac prior to 148.0.7778.168 allowed an attacker who convinced a user to install a malicious extension to execute arbitrary code via a crafted Chrome Extension. (Chromium security severity: Medium)

NVD

Credit

zh1x1an1221(Ant Group Tianqiong Security Lab)

Affected Software

5 affected componentsFixes available
Google Chrome<148.0.7778.167
148.0.7778.167
Microsoft Edge (Chromium-based)
Microsoft Edge<148.0.3967.70
All of the following
Google Chrome<148.0.7778.168
Apple macOS

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 148.0.7778.167
  2. Upgrade

    Upgrade Chromium / Google Chrome (Extensions) to a version that resolves this vulnerability.

    Fixed in 148.0.7778.168

Event History

Apr 28, 2026
CVE Published
12:00 AM
Data Sourced
12:00 AM
SeverityWeaknessAffected Software
May 14, 2026
CVE Published
via MITRE·07:52 PM
Data Sourced
via MITRE·07:52 PM
DescriptionWeakness
Data Sourced
via NVD·08:17 PM
DescriptionSeverityWeaknessAffected Software
May 16, 2026
Data Sourced
via Microsoft·12:21 AM
DescriptionSeverityWeaknessAffected Software
Updated
via Microsoft·12:21 AM
DescriptionAffected Software
Jun 29, 58424
Event
via FIRST·10:41 AM

Parent advisories

This vulnerability appears in the following advisories.

Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the severity of CVE-2026-8587?

CVE-2026-8587 has a medium severity rating according to Chromium security standards.

2

How do I fix CVE-2026-8587?

To fix CVE-2026-8587, update Google Chrome to version 148.0.7778.168 or later.

3

What causes CVE-2026-8587?

CVE-2026-8587 is caused by a use after free vulnerability in the Extensions feature of Google Chrome.

4

Who is affected by CVE-2026-8587?

Users of Google Chrome on Mac who are running versions prior to 148.0.7778.168 are affected by CVE-2026-8587.

5

What type of attack can exploit CVE-2026-8587?

CVE-2026-8587 can be exploited by attackers who convince users to install a malicious Chrome extension, allowing arbitrary code execution.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203