CVE-2026-20893

HIGH
2026-01-07 [email protected]
7.8
CVSS 3.0
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CVSS Vector

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

2
Analysis Generated
Mar 12, 2026 - 21:54 vuln.today
CVE Published
Jan 07, 2026 - 12:17 nvd
HIGH 7.8

Tags

Windows

Description

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.

Analysis

Fujitsu Security Solution AuthConductor Client Basic V2 version 2.0.25.0 and earlier contains an origin validation flaw that allows authenticated local attackers to execute arbitrary code with SYSTEM privileges and modify registry values. An attacker with login access to an affected Windows system can exploit this vulnerability to achieve complete system compromise. …

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Remediation

Within 7 days: Identify all affected systems running validation error issue exists in Fujitsu Security Solution A and apply vendor patches promptly. Monitor vendor channels for patch availability.

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Priority Score

39
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +39
POC: 0

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CVE-2026-20893 vulnerability details – vuln.today
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