CVE-2026-91730: Low severity Google Chrome vulnerability
Chromium CVE-2026-91730: Incomplete cleanup
Other sources
Incomplete cleanup in GetUserMedia in Google Chrome prior to 153.0.8010.47 allowed a remote attacker who had compromised the renderer process and leveraged social engineering to obtain cross-origin data 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](https://chromereleases.googleblog.com/2026)) 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 153.0.4234.46 - Upgrade
Upgrade
Google Chrome/Chromiumto a version that resolves this vulnerability.Fixed in 153.0.8010.47
Event History
Frequently Asked Questions
What access does an attacker need to exploit this issue?
The attacker must first compromise the Chrome renderer process and then use social engineering to get the user to interact with a crafted HTML page. The issue is not described as exploitable by a crafted page alone.
What could exploitation expose?
A successful attacker could obtain cross-origin data. The provided information does not identify particular data types or affected sites.
Which Chrome versions are affected?
Google Chrome versions prior to 153.0.8010.47 are affected. Updating to 153.0.8010.47 or a later version addresses the affected version range described.