5.0
Medium
CVE-2026-9903 Insufficient validation of untrusted input in Site Isolation in Google Chrome prior to 148.0.7778.216 allowed a remote…
Description
Insufficient validation of untrusted input in Site Isolation in Google Chrome prior to 148.0.7778.216 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted MHTML page. (Chromium security severity: High)
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Chrome 148.0 | earliest → < 148.0.7778.216 | 148.0.7778.216 |
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