What is CVE-2026-102317?

CVE-2026-102317 is a high-severity vulnerability in Google Chrome, classified under Improper Privilege Management. CVSS score: 8.6/10. Published 2026-09-29.

How severe is CVE-2026-102317?

High severity. CVSS v3 base score is 8.6 out of 10.

Privilege escalation in Google Chrome

CVE-2026-102317

Improper privilege management in Mojo in Google Chrome on on Windows prior to 154.0.8037.92 allowed a local attacker to potentially execute arbitrary code outside the sandbox via a local program. (Chromium security severity: High)

Vulnerability class: Privilege Escalation

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

CVSS v3 metric

CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:L/AC:L/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-269 — Improper Privilege Management

References

Frequently asked questions

What is CVE-2026-102317?: CVE-2026-102317 is a high-severity vulnerability in Google Chrome, classified under Improper Privilege Management. CVSS score: 8.6/10. Published 2026-09-29.
How severe is CVE-2026-102317?: High severity. CVSS v3 base score is 8.6 out of 10.