What is CVE-2025-14774?

CVE-2025-14774 is a high-severity vulnerability in Abb T-mac Plus, classified under Incorrect Authorization. CVSS score: 7.4/10. Published 2026-06-03.

How severe is CVE-2025-14774?

High severity. CVSS v3 base score is 7.4 out of 10.

Auth bypass in Abb T-mac Plus

CVE-2025-14774

Incorrect Authorization vulnerability in ABB T-MAC Plus. This issue affects T-MAC Plus: 4.0-24.

Vulnerability class: Broken Access Control

EPSS: 0.000 (8.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.4 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H.

Affected products

Abb T-mac Plus — versions 4.0-24
Abb T-mac_plus — versions 4.0-24

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

cybersecurity@ch.abb.com (Mitigation, Vendor Advisory)

Frequently asked questions

What is CVE-2025-14774?: CVE-2025-14774 is a high-severity vulnerability in Abb T-mac Plus, classified under Incorrect Authorization. CVSS score: 7.4/10. Published 2026-06-03.
How severe is CVE-2025-14774?: High severity. CVSS v3 base score is 7.4 out of 10.