What is CVE-2026-8363?

CVE-2026-8363 is a critical-severity vulnerability in Gladinet Triofox, classified under Stack-based Buffer Overflow. CVSS score: 9.8/10. Published 2026-05-27.

How severe is CVE-2026-8363?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Gladinet Triofox

CVE-2026-8363

A stack-based buffer overflow condition exists in WOSDeviceDropFolder.dll when processing a long URL path starting with /resources:

Vulnerability class: Buffer Overflow

EPSS: 0.001 (17.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Gladinet Triofox — versions 0

Weakness classification (CWE)

CWE-121 — Stack-based Buffer Overflow

References

vulnreport@tenable.com

Frequently asked questions

What is CVE-2026-8363?: CVE-2026-8363 is a critical-severity vulnerability in Gladinet Triofox, classified under Stack-based Buffer Overflow. CVSS score: 9.8/10. Published 2026-05-27.
How severe is CVE-2026-8363?: Critical severity. CVSS v3 base score is 9.8 out of 10.