Vulnerability details

CVE-2026-17003

IBM AIXIBM PowerVM VIOS

Vulnerabilities in IBM AIX and PowerVM VIOS

CVSS 3.1

7.7High

Official description

IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to compromise the confidentiality and integrity of the system due to an out-of-bounds write.

CVSS scores

Score	Version	Source	Vector
7.7High	3.1	CVEProject cvelistV5 (CNA) (ibm)	`CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L`

Affected products

Vendor	Product	Versions	Source
IBM	AIX	7.2	CVEProject cvelistV5 (CNA)
IBM	AIX	7.3	CVEProject cvelistV5 (CNA)
IBM	PowerVM VIOS	4.1	CVEProject cvelistV5 (CNA)

References and advisories

https://www.ibm.com/support/pages/node/7283858 vendor-advisorypatch

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Details

Published: 2026-08-21
Last updated: 2026-08-25
State: Published
Assigner (CNA): ibm

Exploit prediction (EPSS)

0.44%

Probability of exploitation in 30 days

38.7%

Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable: No
Exploitation: None
Technical impact: Total

Weaknesses (CWE)

CWE-787
Out-of-bounds Write