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HPE Fabric Composer CVE-2026-73747

| EUVDEUVD-2026-69473 LOW
Improper Privilege Management (CWE-269)
2026-09-01 hpe GHSA-j46j-g6q9-q865
2.5
CVSS 3.1 · Vendor: hpe

Severity by source

Vendor (hpe) PRIMARY
2.5 LOW
AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N
vuln.today AI
2.5 LOW

Local access and low-privilege account both required; high complexity and limited integrity-only impact align with the description of constrained privilege elevation.

3.1 AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N
4.0 AV:L/AC:H/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

Primary rating from Vendor (hpe).

CVSS VectorVendor: hpe

Attack Vector
Local
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None

Lifecycle Timeline

1
Analysis Generated
Sep 01, 2026 - 20:43 vuln.today

DescriptionCVE.org

A local privilege-escalation vulnerability has been discovered in HPE Networking Fabric Composer. Successful exploitation could allow an authenticated low privilege operator user with local access to elevate their user privileges and make limited modifications on the affected system.

AnalysisAI

Local privilege escalation in HPE Networking Fabric Composer allows an authenticated low-privilege operator with physical or shell access to elevate user privileges and make limited modifications to the affected system. The CVSS vector (AV:L/AC:H/PR:L) confirms this requires both local system access and a low-privilege operator account, and the high attack complexity suggests non-trivial preconditions must be met. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
technique details hidden
Delivery
technique details hidden
Exploit
technique details hidden
Execution
technique details hidden
Impact
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Vulnerability AssessmentAI

Exploitation Exploitation requires three simultaneous conditions: (1) the attacker must hold a valid, authenticated low-privilege operator account in HPE Fabric Composer (PR:L), (2) the attacker must have local access to the Composer host system (AV:L - not remotely exploitable), and (3) high attack complexity (AC:H) conditions must be met, suggesting specific system states, timing, or non-default prerequisites. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment Real-world risk is low. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation Apply the patch or upgrade to the fixed version as specified in HPE Security Bulletin HPESBNW05133en_US, available at https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05133en_us&docLocale=en_US. … Detailed patch versions, workarounds, and compensating controls in full report.

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

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CVE-2026-73747 vulnerability details – vuln.today

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