What is CVE-2026-110156?

CVE-2026-110156 is a high-severity vulnerability in Google Chrome, classified under Use of Incorrectly-Resolved Name or Reference. CVSS score: 8.3/10. Published 2026-10-13.

How severe is CVE-2026-110156?

High severity. CVSS v3 base score is 8.3 out of 10.

Vulnerability in Google Chrome

CVE-2026-110156

Incorrect reference resolution in Extensions in Google Chrome on on Mac prior to 155.0.8059.79 allowed a remote attacker who had compromised the renderer process to execute arbitrary code outside the sandbox via a crafted Chrome extension. (Chromium security severity: High)

Published 2026-10-13 · last modified 2026-10-14.

CVSS v3 metric

CVSS v3 base score 8.3 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H.

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-706 — Use of Incorrectly-Resolved Name or Reference

References

chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop_0166808… (Release Notes, Vendor Advisory)
issues.chromium.org/issues/561892119 (Permissions Required)

Frequently asked questions

What is CVE-2026-110156?: CVE-2026-110156 is a high-severity vulnerability in Google Chrome, classified under Use of Incorrectly-Resolved Name or Reference. CVSS score: 8.3/10. Published 2026-10-13.
How severe is CVE-2026-110156?: High severity. CVSS v3 base score is 8.3 out of 10.