Quick answers
- Is CVE-2026-17425 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-17425 being exploited in the wild.
- How severe is CVE-2026-17425?
- High severity, with a CVSS score of 7.5, 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-2026-17425?
- 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-2026-17425 attacked?
- It is attacked over the network.
- Am I affected by CVE-2026-17425?
- 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
A stack buffer overflow exists in IBM AIX 7.2, 7.3 and PowerVM VIOS 4.1, allowing remote attackers to trigger a denial of service condition. The vulnerability is accessible over the network without authentication or user interaction. Exploitation causes the affected process to crash, resulting in service unavailability. IBM has released security updates delivered through Service Packs (SPs) and Fix Packs (FPs) to remediate this vulnerability.
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 additional installation instructions