CVE-2026-16856

IBM i is Affected By Multiple Vulnerabilities in Domain Name System

Published Aug 12, 2026 CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Description
IBM i 7.6, and 7.5 could allow a local attacker to gain elevated privileges due to improper neutralization of special elements used in an OS command.

Remediation

Vendor Solution

IBM strongly recommends addressing the vulnerability now. IBM i Release5770-SS1 Option 33 PTF Number(s)PTF Download Link(s)7.6SJ10931 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ10931 7.5SJ11010 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11010 IBM recommends users running unsupported versions of affected products upgrade to a supported and fixed version of affected products.

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description IBM i 7.6, and 7.5 could allow a local attacker to gain elevated privileges due to improper neutralization of special elements used in an OS command.
Title IBM i is Affected By Multiple Vulnerabilities in Domain Name System
First Time appeared Ibm
Ibm i
Weaknesses CWE-78
CPEs cpe:2.3:a:ibm:i:7.5.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:i:7.5:*:*:*:*:*:*:*
cpe:2.3:a:ibm:i:7.6.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:i:7.6:*:*:*:*:*:*:*
Vendors & Products Ibm
Ibm i
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
ibm
Published
Updated
Aug 17, 2026, 12:28 PM
Reserved
Jul 24, 2026, 3:35 AM
Status
Analyzed
Published
Aug 12, 2026, 6:17 PM
Modified
Oct 23, 2026, 7:10 PM