CVE-2026-91733: High severity Google Google Chrome vulnerability
Chromium CVE-2026-91733: Improper state validation
Other sources
Improper state validation in Skia in Google Chrome prior to 153.0.8010.47 allowed a remote attacker who had compromised the renderer process to read memory outside the sandbox via a crafted HTML page. (Chromium security severity: High)
— 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
Chromium (Skia)to a version that resolves this vulnerability.Fixed in 153.0.8010.47 - Upgrade
Upgrade
Google Chrome / Microsoft Edge (Chromium-based)to a version that resolves this vulnerability.Fixed in 153.0.8010.47
Event History
Frequently Asked Questions
What does an attacker need before this issue can be exploited?
The attacker must already have compromised the Chrome renderer process. The vulnerable condition can then be triggered with a crafted HTML page to read memory outside the sandbox.
Which Chrome versions need to be remediated?
Google Chrome versions prior to 153.0.8010.47 are affected. Update Chrome to 153.0.8010.47 or a later version.