CVE-2026-87461: Infoleak
Chromium CVE-2026-87461: Information leak in Core
Other sources
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)
— NVD
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
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 153.0.4234.32 - Upgrade
Upgrade
Google Chrome / Chromium-based browsersto a version that resolves this vulnerability.Fixed in 153.0.8010.36
Event History
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.