CVE-2026-20893 HIGH

CVE-2026-20893

Vendor Fujitsu Client Computing Limited
Product Fujitsu Security Solution AuthConductor Client Basic V2
Weakness CWE-346 · Origin validation
Published January 7, 2026
Last update January 7, 2026

CVSS base score

7.8/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

January 7, 2026 CVE published
January 7, 2026 Record updated