CVE-2026-87657: Use After Free

Published Sep 9, 2026
·
Updated

Chromium CVE-2026-87657: Use after free in V8

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 V8 in Google Chrome prior to 153.0.8010.36 allowed a remote attacker who had compromised the renderer process to read memory inside the sandbox via a crafted HTML page. (Chromium security severity: Medium)

— MITRE

Affected Software

4 affected componentsFixes available
Google Google Chrome<153.0.8010.36
Google Chrome<153.0.8010.36
Microsoft Edge (Chromium-based)<153.0.4234.32
153.0.4234.32
Microsoft Edge<153.0.4234.32

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 153.0.4234.32
  2. Upgrade

    Upgrade Google Chrome (V8) to a version that resolves this vulnerability.

    Fixed in 153.0.8010.36

Event History

Sep 9, 2026
CVE Published
via MITRE·12:09 AM
Data Sourced
via MITRE·12:09 AM
DescriptionWeakness
Data Sourced
via NVD·01:17 AM
DescriptionSeverityWeaknessAffected Software
Sep 15, 2026
Data Sourced
via Microsoft·12:55 AM
DescriptionSeverityWeaknessAffected Software
Updated
via Microsoft·12:55 AM
DescriptionAffected Software

Frequently Asked Questions

1

Who is exposed to this vulnerability?

Google Chrome versions earlier than 153.0.8010.36 are affected. Exploitation requires that the attacker has already compromised the Chrome renderer process.

2

What could an attacker do after exploiting it?

A remote attacker could use a crafted HTML page to read memory inside Chrome's sandbox. The issue is a use-after-free vulnerability in V8.

Contact

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