CVE-2026-87658: Infoleak
Chromium CVE-2026-87658: Information leak in Extensions
Other sources
Information leak in Extensions in Google Chrome prior to 153.0.8010.36 allowed a remote attacker leveraging social engineering to obtain cross-origin data via a crafted Chrome extension. (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
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 browsers (Edge uses Chromium)to 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 rely on social engineering to get the target to interact with a crafted Chrome extension. The disclosed impact is access to cross-origin data.
Which Chrome versions should be considered vulnerable?
Chrome versions prior to 153.0.8010.36 are affected according to the available information. Updating to 153.0.8010.36 or later addresses the affected version range.