CVE-2026-20893: Fujitsu Client Computing Limited Fujitsu Security Solution Authconductor Client Basic v2

High severity, CVSS 8.5. EPSS: 0.1% chance of exploitation in the next 30 days.

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.

Affected products

• Fujitsu Client Computing Limited Fujitsu Security Solution Authconductor Client Basic v2: up to and including 2.0.25.0

Published 2026-01-07. Last modified 2026-06-17.