Vulnerability in Fujitsu Client Computing Limited Security Solution Authconductor Basic V2

CVE-2026-20893

Origin validation error issue exists in Fujitsu Security Solution AuthConductor Client Basic V2 2.0.25.0 and earlier. If this vulnerability is exploited, an attacker who can log in to the Windows system where the affected product is installed may execute arbitrary code with SYSTEM privilege and/or modify the registry value.

EPSS: 0.001 (2.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-20893?
CVE-2026-20893 is a high-severity vulnerability in Fujitsu Client Computing Limited Security Solution Authconductor Basic V2, classified under Origin Validation Error. CVSS score: 7.8/10. Published 2026-01-07.
How severe is CVE-2026-20893?
High severity. CVSS v3 base score is 7.8 out of 10.