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U Office Force CVE-2026-3422

CRITICAL
Deserialization of Untrusted Data (CWE-502)
2026-03-02 twcert@cert.org.tw
Deserialization U Office Force
9.8
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
9.8 CRITICAL
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

2
Analysis Generated
Mar 12, 2026 - 21:55 vuln.today
CVE Published
Mar 02, 2026 - 07:16 nvd
CRITICAL 9.8

DescriptionCVE.org

U-Office Force developed by e-Excellence has a Insecure Deserialization vulnerability, allowing unauthenticated remote attackers to execute arbitrary code on the server by sending maliciously crafted serialized content.

AnalysisAI

U-Office Force by e-Excellence has an insecure deserialization vulnerability allowing unauthenticated remote code execution.

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Craft malicious serialized object
Exploit
Send to U-Office Force server
Execution
Deserialize untrusted data
Impact
Execute arbitrary code on server
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Vulnerability AssessmentAI

Exploitation No special conditions — remote unauthenticated exploitation against default U-Office Force server accepting serialized object input without validation. Additional conditions and limiting factors are described in the full assessment.
Risk Assessment CVSS 9.8 — U-Office Force is a document management system used in Taiwanese government agencies and enterprises. Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker sends a crafted serialized payload to U-Office Force, achieving remote code execution and access to all managed documents.
Remediation Apply vendor patches. … Detailed patch versions, workarounds, and compensating controls in full report.
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Recommended ActionAI

Within 24 hours: Identify and inventory all systems running U-Office Force; isolate affected systems from production networks if possible; enable enhanced logging and monitoring. …

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Threat intelligence, references, and detailed analysis are available after sign-in.

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CVE-2026-3422 vulnerability details – vuln.today
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