What is CVE-2026-46416?

CVE-2026-46416 is a medium-severity vulnerability in Microsoft Ufo, classified under Improper Access Control. CVSS score: 6.3/10. Published 2026-05-27.

How severe is CVE-2026-46416?

Medium severity. CVSS v3 base score is 6.3 out of 10.

Vulnerability in Microsoft Ufo

CVE-2026-46416

Microsoft UFO open-source framework for intelligent automation across devices and platforms. In 3.0.1-4-ge2626659, Microsoft UFO creates one shared UFOWebSocketHandler instance and reuses it for multiple authenticated WebSocket connections…

EPSS: 0.000 (13.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.

Affected products

Microsoft Ufo — versions 3.0.1-4-ge2626659

Weakness classification (CWE)

CWE-284 — Improper Access Control
CWE-488

References

security-advisories@github.com (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-46416?: CVE-2026-46416 is a medium-severity vulnerability in Microsoft Ufo, classified under Improper Access Control. CVSS score: 6.3/10. Published 2026-05-27.
How severe is CVE-2026-46416?: Medium severity. CVSS v3 base score is 6.3 out of 10.