CVE-2026-9903
CVSS Score
5.0
EPSS Score
0.0%
EPSS Percentile
6th
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)
| CWE | CWE-20 |
| Vendor | |
| Product | chrome |
| Ecosystems | |
| Industries | Technology |
| Published | May 28, 2026 |
| Last Updated | May 29, 2026 |
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Affected Versions
Google / Chrome
148.0.7778.216 < 148.0.7778.216