What is CVE-2026-102323?

CVE-2026-102323 is a high-severity vulnerability in Google Chrome, classified under Access of Resource Using Incompatible Type (Type Confusion). CVSS score: 8.8/10. Published 2026-09-29.

How severe is CVE-2026-102323?

High severity. CVSS v3 base score is 8.8 out of 10.

Vulnerability in Google Chrome

CVE-2026-102323

Type confusion in V8 in Google Chrome prior to 154.0.8037.92 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)

Published 2026-09-29 · last modified 2026-09-30.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/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-843 — Access of Resource Using Incompatible Type (Type Confusion)

References

chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0180748… (Release Notes, Vendor Advisory)
issues.chromium.org/issues/559266114 (Permissions Required)

Frequently asked questions

What is CVE-2026-102323?: CVE-2026-102323 is a high-severity vulnerability in Google Chrome, classified under Access of Resource Using Incompatible Type (Type Confusion). CVSS score: 8.8/10. Published 2026-09-29.
How severe is CVE-2026-102323?: High severity. CVSS v3 base score is 8.8 out of 10.