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CRITICAL · 9.6

CVE-2026-17276

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.

Vulnerability Description

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.

CVSS Score

9.6

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
NONE

Affected Products

VendorProductVersions
IbmI>= 7.3, <= 7.6

Related Weaknesses (CWE)

CWE-269

References

FAQ

What is CVE-2026-17276?

CVE-2026-17276 is a vulnerability with a CVSS score of 9.6 (CRITICAL). 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.

How severe is CVE-2026-17276?

CVE-2026-17276 has been rated CRITICAL with a CVSS base score of 9.6/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2026-17276?

Check the references section above for vendor advisories and patch information. Affected products include: Ibm I.