CVE-2026-87503: Medium severity Google Google Chrome vulnerability

Published Sep 9, 2026
·
Updated

Chromium CVE-2026-87503: Inappropriate implementation in Downloads

Other sources

Inappropriate implementation in Downloads in Google Chrome on on Android prior to 153.0.8010.36 allowed a remote attacker leveraging social engineering to bypass system access restrictions via a crafted HTML page. (Chromium security severity: Medium)

— MITRE

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

Affected Software

4 affected componentsFixes available
Google Google Chrome<153.0.8010.36
All of the following
Google Chrome<153.0.8010.36
Google Android
Microsoft Edge (Chromium-based)<153.0.4234.32
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 (Android) 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
RemedyDescriptionSeverityWeaknessAffected Software
Oct 1, 2026
Data Sourced
via Microsoft·03:26 AM
DescriptionSeverityWeaknessAffected Software
Updated
via Microsoft·03:26 AM
Description

Frequently Asked Questions

1

Which deployments are affected?

Google Chrome on Android before version 153.0.8010.36 is affected. The available information does not identify other Chrome platforms as affected.

2

What does exploitation require?

A remote attacker must use social engineering to get a user to interact with a crafted HTML page. The issue is described as allowing a bypass of system access restrictions through Chrome's Downloads functionality.

3

What is the immediate remediation?

Update Chrome on Android to version 153.0.8010.36 or later. The provided information does not specify a configuration workaround if updating is not immediately possible.

Contact

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