CVE-2026-103621

Description

Integer overflow in Compositing in Google Chrome prior to 154.0.8037.97 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: High)

References

• https://chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop.html
• https://issues.chromium.org/issues/556268833