CVE-2026-91746: Integer Overflow
Chromium CVE-2026-91746: Integer overflow
Other sources
Integer overflow in Compositing in Google Chrome prior to 153.0.8010.47 allowed a remote attacker to obtain cross-origin data 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
Google Chrome/Chromium-based browsers (Chromium Compositing)to a version that resolves this vulnerability.Fixed in 153.0.8010.47
Event History
Frequently Asked Questions
What does an attacker need to exploit this issue?
The attacker needs to cause a user to load a crafted HTML page. The described impact is exposure of cross-origin data.
Which Chrome versions need to be updated?
Google Chrome versions prior to 153.0.8010.47 are affected. Updating to 153.0.8010.47 or later addresses the affected version range described.