Quick answers
- Is CVE-2026-17152 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-17152 being exploited in the wild.
- How severe is CVE-2026-17152?
- Critical severity, with a CVSS score of 9.8, published 20 August 2026.
- Which products and versions are affected?
- IBM Aix 7.2, 7.3; IBM PowerVM VIOS 4.1.
- Is there a fix for CVE-2026-17152?
- No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
- How is CVE-2026-17152 attacked?
- It is attacked over the network.
- Am I affected by CVE-2026-17152?
- Check whether you run IBM Aix or IBM PowerVM VIOS at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Technical details
CVE-2026-17152 is a buffer overflow vulnerability in IBM AIX 7.2, 7.3, and PowerVM VIOS 4.1 that permits unauthenticated remote code execution. The vulnerability is reachable over the network without requiring authentication or user interaction, making it immediately exploitable. An attacker can leverage this flaw to achieve complete system compromise with elevated privileges. IBM has released security patches through Service Packs and Fix Packs as described in their security bulletin; customers should promptly apply available updates to affected releases.
Affected products
- IBM AIX 7.2, 7.3
- IBM PowerVM VIOS 4.1
Timeline
- 2026-08-20: disclosed
- 2026-08-21: advisory: IBM security bulletin updated with installation instructions