CVE-2026-106198

Missing authorization in FileSystem in Google Chrome prior to 155.0.8059.39 allowed a remote attacker who had…

Missing authorization in FileSystem in Google Chrome prior to 155.0.8059.39 allowed a remote attacker who had compromised the renderer process to bypass web origin policy via a crafted HTML page. (Chromium security severity: Medium)

Vendor: google
Product: chrome
CVSS 3.1: 8.2 (high), scored by NVD (primary)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N
CVSS 3.1: 8.2 (high), scored by 134c704f-9b21-4f2e-91b3-4a467353bcc0CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N
CWE: CWE-862
Published: 2026-10-06
NVD modified: 2026-10-08
NVD status: Modified

Not in the CISA KEV catalogue at the last update.

EPSS

0.26% chance of exploitation in the next 30 days (percentile 16th)

FIRST EPSS, updated 17 Oct 2026. About EPSS

CVSS is severity, EPSS is likelihood, KEV means already exploited. EPSS is a statistical probability, not a certainty: a low score does not make a bug safe, and a high one does not prove it is being exploited.

References

chromereleases.googleblog.com (Release Notes, Vendor Advisory)
issues.chromium.org (Permissions Required)

Data last updated 18 Oct 2026. Sources: NVD API 2.0, FIRST EPSS. Links: NVD, CISA KEV. Metadata only. ThreatWire does not host exploit code.