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9.8

IBM AIX and PowerVM VIOS could let remote code run

CVE-2026-17160 · published 14 days ago
Summary

Versions of IBM AIX (7.2 and 7.3) and PowerVM VIOS 4.1 have a flaw that could let someone on the network run their own programs on the server. This happens because the software miscalculates a size value, causing an overflow. Apply the latest security updates from IBM as soon as possible to close the gap.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
ibm aix 7.2
ibm powervm vios 4.1
Original advisory text
IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to execute arbitrary code due to an integer overflow during size computation.
IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to execute arbitrary code due to an integer overflow during size computation.
References
Severity
9.8 Critical
CVSS 3.1: 9.8 (MITRE)
Exploitation
EPSS <1%
Type
CWE-190Integer Overflow
Timeline
Published20 Aug 2026
Updated3 Sep 2026
First seen20 Aug 2026
Sources
CVE-2026-17160 · NVD
CVE-2026-17160 · MITRE
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