CVE-2026-17223

IBM i is Affected By Multiple Vulnerabilities in Host Servers

Published Aug 13, 2026 CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Description
IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to execute arbitrary code due to a buffer overflow.

Remediation

Vendor Solution

IBM strongly recommends addressing the vulnerability now. Host Servers IBM i Release5770-SS1 PTF Number(s)PTF Download Link(s)7.6SJ11101 SJ11097 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11101 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11097 7.5SJ11102 SJ11098 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11102 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11098 7.4SJ11103 SJ11099 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11103 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11099 7.3SJ11104 SJ11100 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11100 Debug Server IBM i Release5770-SS1 PTF Number(s)PTF Download Link(s)7.6SJ10899 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ10899 Telnet IBM i Release5770-SS1 PTF Number(s)PTF Download Link(s)7.6SJ11022 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11022 DRDA/DDM IBM i Release5770-SS1 PTF Number(s)PTF Download Link(s)7.6SJ10848 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ10848 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
CPEs cpe:2.3:a:ibm:i:*:*:*:*:*:*:*:*
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, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to execute arbitrary code due to a buffer overflow.
Title IBM i is Affected By Multiple Vulnerabilities in Host Servers
First Time appeared Ibm
Ibm i
Weaknesses CWE-787
CPEs cpe:2.3:a:ibm:i:7.3.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:i:7.3:*:*:*:*:*:*:*
cpe:2.3:a:ibm:i:7.4.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:i:7.4:*:*:*:*:*:*:*
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 14, 2026, 12:40 PM
Reserved
Jul 24, 2026, 8:20 PM
Status
Analyzed
Published
Aug 13, 2026, 8:17 PM
Modified
Aug 17, 2026, 3:29 PM