What is CVE-2026-106326?

CVE-2026-106326 is a medium-severity vulnerability in Google Chrome, classified under Unintended Proxy or Intermediary (Confused Deputy). CVSS score: 4.4/10. Published 2026-10-06.

How severe is CVE-2026-106326?

Medium severity. CVSS v3 base score is 4.4 out of 10.

Vulnerability in Google Chrome

CVE-2026-106326

Confused deputy in UI in Google Chrome on on Android prior to 155.0.8059.39 allowed a local attacker to bypass system access restrictions into a privileged page via a co-installed app. (Chromium security severity: Medium)

Published 2026-10-06 · last modified 2026-10-07.

CVSS v3 metric

CVSS v3 base score 4.4 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Google Chrome

Weakness classification (CWE)

CWE-441 — Unintended Proxy or Intermediary (Confused Deputy)

References

chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop_0864717… (Release Notes, Vendor Advisory)
issues.chromium.org/issues/511745101 (Permissions Required)

Frequently asked questions

What is CVE-2026-106326?: CVE-2026-106326 is a medium-severity vulnerability in Google Chrome, classified under Unintended Proxy or Intermediary (Confused Deputy). CVSS score: 4.4/10. Published 2026-10-06.
How severe is CVE-2026-106326?: Medium severity. CVSS v3 base score is 4.4 out of 10.