What is CVE-2026-108306?

CVE-2026-108306 is a high-severity vulnerability in Tanium End-User-Cx, classified under Improper Link Resolution Before File Access. CVSS score: 7.8/10. Published 2026-10-27.

How severe is CVE-2026-108306?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Tanium End-User-Cx

CVE-2026-108306

Tanium addressed a local privilege escalation vulnerability in End-User Notifications.

Published 2026-10-27.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/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

Tanium End-User-Cx

Weakness classification (CWE)

CWE-59 — Improper Link Resolution Before File Access

References

3938794e-25f5-4123-a1ba-5cbd7f104512

Frequently asked questions

What is CVE-2026-108306?: CVE-2026-108306 is a high-severity vulnerability in Tanium End-User-Cx, classified under Improper Link Resolution Before File Access. CVSS score: 7.8/10. Published 2026-10-27.
How severe is CVE-2026-108306?: High severity. CVSS v3 base score is 7.8 out of 10.