Vulnerability · Published Aug 13, 2026 · Assigned by ibm
CVE-2026-16871IBM i is Affected By Multiple Vulnerabilities in NetServer
Medium 4.3
In plain English
A medium-severity out-of-bounds write in i from IBM. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 30% of all known vulnerabilities).
Severity (CVSS 3.1)4.3Medium
Exploit odds (30 days)0.4%top 69.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to obtain sensitive information due to a heap buffer overflow.
Affected products (as reported)
Weakness: CWE-787 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
References
- https://www.ibm.com/support/pages/node/7283573 vendor-advisory, patch