CVE-2026-87606
Missing authorization in SiteIsolation in Google Chrome prior to 153.0.8010.36 allowed a remote attacker who had compromised the renderer process to bypass...
- Published
- Sep 9, 2026
- Updated
- Sep 10, 2026
- Assigning CNA
- Chrome
- Evidence observed
- Sep 26, 2026
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:NLow · next 30 days
- Percentile
- 15.4%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
Missing authorization in SiteIsolation in Google Chrome prior to 153.0.8010.36 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. (Chromium security severity: Medium)
Sources
Chained Chrome V8 renderer escape proof-of-concept exploiting four CVEs: Float64Array corruption, Wasm overwrite, popup navigation retargeting, and activation misattribution.
Responsible use
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