Vulnerability · Published Aug 19, 2026 · Assigned by ibm
CVE-2026-16829Vulnerabilities in IBM AIX and PowerVM VIOS
Medium 5.3
In plain English
A medium-severity null pointer dereference in AIX from IBM. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 16% of all known vulnerabilities).
Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)0.2%top 83.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to cause a denial of service due to a NULL pointer dereference.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| IBM | AIX | 7.27.3 |
| IBM | PowerVM VIOS | 4.1 |
Weakness: CWE-476 · Vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
References
- https://www.ibm.com/support/pages/node/7283858 vendor-advisory, patch