CVE & CISA-KEV Catalog

CVE-2026-20893

HIGH
7.8
CVSS v3
NVD

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.

How to fix

No published remediation has been found for this vulnerability's affected products yet.

Mitigation guidance may be in the linked vendor advisories in the References section below.

CVSS v3 Vector

Exploitability

Attack VectorLocal
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

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

Exploit Intelligence

0.12%probability of exploitation in 30 days
2ndpercentile

Low risk: more likely to be exploited than 2% of all known CVEs.

References

Other references2

Related Vulnerabilities

Other CWE-346 vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2009-1185High7.282%-Fix
CVE-2025-34291High8.879%KEV-
CVE-2020-16952High8.671%--
CVE-2023-29711Critical9.870%--
CVE-2015-4495High8.870%KEVFix
CVE-2024-23898High8.867%-Fix
Embed a live status badge for CVE-2026-20893
CVE-2026-20893 severity badge

Markdown

[![CVE-2026-20893](https://tridentstack.com/cve/badge/CVE-2026-20893.svg)](https://tridentstack.com/cve/CVE-2026-20893)

HTML

<a href="https://tridentstack.com/cve/CVE-2026-20893"><img src="https://tridentstack.com/cve/badge/CVE-2026-20893.svg" alt="CVE-2026-20893"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-01-08.