CVE-2026-17073
IBM i is Affected By Improper Authorization and Access Control Vulnerabilities in Network File System
MEDIUM
5.5
CVSS Score
Published: October 16, 2026 at 06:39 PM UTC
Updated: October 23, 2026 at 03:56 PM UTC
1 product affected across 1 vendorI
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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.2%
SSVC
No known exploit
Description
IBM i 7.3, 7.4, 7.5, and 7.6 could allow a local attacker to obtain sensitive information due to missing subtree checks during file handle resolution.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (1)
SSVC — Action Prioritization
SSVCNo known exploitNot automatablePartial impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- NONE
- Availability
- NONE
Vector?
Quick Info
StatusANALYZED
CWE
CWE-284
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