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9.8

IBM AIX and PowerVM VIOS could let remote code run

CVE-2026-17152 · published 14 days ago
Summary

Versions of IBM AIX (7.2 and 7.3) and PowerVM VIOS 4.1 contain a flaw that lets specially crafted data overflow memory and run the attacker’s own programs from outside the network. If exploited, an attacker could take control of the affected server. Install IBM’s recommended security updates or upgrade to the latest supported release immediately.

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 a buffer overflow.
IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to execute arbitrary code due to a buffer overflow.
References
Severity
9.8 Critical
CVSS 3.1: 9.8 (MITRE)
Exploitation
EPSS <1%
Type
CWE-787Out-of-bounds Write
Timeline
Published20 Aug 2026
Updated3 Sep 2026
First seen20 Aug 2026
Sources
CVE-2026-17152 · NVD
CVE-2026-17152 · MITRE
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