CVE-2026-78953

LowCVSS 3.1/10Last modified Sep 19, 2026

Description

Missing authorization in SiteIsolation in Google Chrome prior to 152.0.7977.65 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted PDF file. (Chromium security severity: Medium)

Metrics

CVSS 3.1 3.1/10CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N

Weakness enumeration

CWE-862

Affected software

No affected versions have been published.

Timeline

Published
Aug 25, 2026
Last modified
Sep 19, 2026
NVD status
Modified

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CVE-2026-78953: Low severity, CVSS 3.1 | Vulnix