CVE-2026-87594: Medium severity Google Google Chrome vulnerability
Chromium CVE-2026-87594: Incorrect authorization in DataTransfer
Other sources
Incorrect authorization in DataTransfer in Google Chrome prior to 153.0.8010.36 allowed a remote attacker who had compromised the renderer process to obtain sensitive information 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
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
Chromium (Google Chrome / Edge Chromium-based)to a version that resolves this vulnerability.Fixed in 153.0.8010.36
Event History
Frequently Asked Questions
Who is realistically exposed to this issue?
The issue affects Google Chrome versions before 153.0.8010.36, but exploitation requires that the attacker has already compromised the renderer process. A remote attacker can then use a crafted HTML page to obtain sensitive information.
What version resolves the issue?
Google Chrome 153.0.8010.36 is identified as the fixed version; versions prior to it are affected.