CVE-2026-102330CWE-863broken-access-control

CVE-2026-102330

Medium · published September 30, 2026

CVSS v3.1
6.5
EPSS
0%
Percentile
13.5
In the wild
Unconfirmed
What it is

Incorrect authorization in SiteIsolation in Google Chrome prior to 154.0.8037.92 allowed a remote attacker who had compromised the renderer process to bypass web origin policy via a crafted HTML page. (Chromium security severity: Low)

The record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00234 · 13.5th percentile
Weakness
CWE-863 · Incorrect Authorization
Published
2026-09-30T00:17Z
Affected products (1)
ProductVersionsFixed in
google/chrome< 154.0.8037.92154.0.8037.92
References (2)
https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_01807488085.html · [email protected]https://issues.chromium.org/issues/498793976 · [email protected]
EPSS history
Timeline
  • 01 OCT 03:44Z
    EPSS moved — → 0%
    epss
  • 29 SEP 19:45Z
    Incorrect authorization in SiteIsolation in Google Chrome prior to 154.0.8037.92 allowed a remote attacker who had compromised the renderer process to bypass…
    cvelistv5