CVE-2026-93379NVD

Vulnerability Summary

Incorrect authorization in ORB in Google Chrome prior to 153.0.8010.52 allowed a remote attacker to bypass site isolation via a crafted HTML page. (Chromium security severity: High)

Severity Level

MEDIUM(4.3)

Published Date

Sep 17, 2026

Last Modified

Sep 21, 2026

Exploitation Status

No confirmed exploitation yet

EPSS Score (30-Day)

0.24%Probability

Root Weakness (CWE)

CWE-863: Unknown/Unlisted Weakness ↗

Refer to the official MITRE database for detailed architectural specifications regarding this weakness.

CVSS v3.1 Base Metrics — Score 4.3 (MEDIUM)

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

ConfidentialityLow

IntegrityNone

AvailabilityNone

Affected & Patched Versions

Affected Versions

Google Chrome < 153.0.8010.52

Patched Versions

Google Chrome 153.0.8010.52

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