CVE-2026-87461: Infoleak

Q: What does an attacker need to exploit this issue?

The attacker needs to use a crafted Chrome extension to trigger the cross-origin data leak. The available information does not state whether installation requires user interaction or whether the extension must come from a particular source.

Q: Which Chrome versions are affected?

Google Chrome versions prior to 153.0.8010.36 are affected. Updating to 153.0.8010.36 or later addresses the vulnerable version range described.

Q: Who is realistically exposed?

Users running affected Chrome versions who can be induced to use a crafted extension are the identified exposure group. The issue is an information leak involving cross-origin data rather than a stated code-execution vulnerability.

Published Sep 9, 2026

Updated

Information leak in Core in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to leak cross-origin data via a crafted Chrome extension. (Chromium security severity: Low)

Affected Software

1 affected component

Google Google Chrome<153.0.8010.36

Event History

Sep 9, 2026

CVE Published

via MITRE·12:10 AM

Data Sourced

via MITRE·12:10 AM

DescriptionWeakness

Frequently Asked Questions

What does an attacker need to exploit this issue?

The attacker needs to use a crafted Chrome extension to trigger the cross-origin data leak. The available information does not state whether installation requires user interaction or whether the extension must come from a particular source.

Which Chrome versions are affected?

Google Chrome versions prior to 153.0.8010.36 are affected. Updating to 153.0.8010.36 or later addresses the vulnerable version range described.

Who is realistically exposed?

Users running affected Chrome versions who can be induced to use a crafted extension are the identified exposure group. The issue is an information leak involving cross-origin data rather than a stated code-execution vulnerability.