Chrome PolicyContainer: reach a privileged page (fix 156.0.8078.47)

critical severity ยท published 2026-10-20

A remote attacker can get around the same-origin rule and reach a privileged browser page through a crafted web page, using an improper resource exposure flaw in the PolicyContainer component of Chrome. Chromium rates it Medium.

Fixed in: 156.0.8078.47

CVE: CVE-2026-113126

Source: NVD

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