CVE-2026-17276

CRITICAL CVSS 3.1: 9.9 EPSS 0.26%
Updated Aug 13, 2026
IBM
Parameter Value
CVSS 9.9 (CRITICAL)
Affected Versions 7.3 — 7.6
Type CWE-269 (Improper Privilege Management)
Vendor IBM
Public PoC No

IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to escalate privileges due to improper authorization in the handling of high-authority threads.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v3.1

Vulnerable Products 1

Configuration From (including) Up to (excluding)
Ibm I
cpe:2.3:a:ibm:i:*:*:*:*:*:*:*:*
7.3 <= 7.6