What is CVE-2026-46402?

CVE-2026-46402 is a high-severity vulnerability in Microsoft Ufo, classified under Path Traversal. CVSS score: 8.1/10. Published 2026-05-27.

How severe is CVE-2026-46402?

High severity. CVSS v3 base score is 8.1 out of 10.

Path Traversal in Microsoft Ufo

CVE-2026-46402

Microsoft UFO open-source framework for intelligent automation across devices and platforms. In 3.0.1-4-ge2626659, Microsoft UFO uses the user-controlled task_name value directly when constructing session log paths. An authenticated client…

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.001 (19.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H.

Affected products

Microsoft Ufo — versions 3.0.1-4-ge2626659

Weakness classification (CWE)

CWE-22 — Path Traversal
CWE-73 — External Control of File Name or Path

References

security-advisories@github.com (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-46402?: CVE-2026-46402 is a high-severity vulnerability in Microsoft Ufo, classified under Path Traversal. CVSS score: 8.1/10. Published 2026-05-27.
How severe is CVE-2026-46402?: High severity. CVSS v3 base score is 8.1 out of 10.