Inappropriate ORB Implementation in Google Chrome

Publication date: 2026-05-06

Last updated on: 2026-05-07

Assigner: Chrome

Description

Inappropriate implementation in ORB in Google Chrome prior to 148.0.7778.96 allowed a remote attacker to bypass site isolation via a crafted HTML page. (Chromium security severity: Medium)

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-05-06

Last Modified

2026-05-07

Generated

2026-07-06

AI Q&A

2026-05-06

EPSS Evaluated

2026-07-05

NVD

CVE-2026-7971

EUVD

EUVD-2026-28045

Affected Vendors & Products

Vendor	Product	Version / Range
google	chrome	to 148.0.7778.96 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-269	The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.

Attack-Flow Graph

Executive Summary

This vulnerability is due to an inappropriate implementation in the ORB component of Google Chrome versions prior to 148.0.7778.96. It allows a remote attacker to bypass site isolation by using a specially crafted HTML page.

Impact Analysis

By bypassing site isolation, a remote attacker could potentially access or interfere with data from other websites or browser contexts that are normally isolated for security. This could lead to unauthorized data access or compromise of user privacy.

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