CVE-2026-16821
IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a local attacker to gain elevated privileges due to a format string vulnerability.
Scoring
- Severity
- HIGH
- CVSS base score
- 7
- CVSS vector
- CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS probability
- 0.10%
- CWE
- CWE-134
- Published
- 2026-08-28
- Last modified
- 2026-09-01
Affected products
- IBM AIX
- IBM AIX
- IBM PowerVM VIOS
Weakness type
Related vulnerabilities
- CVE-2026-69395 — Active Directory Certificate Services (AD CS) Information Disclosure Vulnerability
- CVE-2026-81574 — Format String Vulnerability in Logger
- CVE-2026-63073 — Untrusted Sender DN Used as Format String in CMP Response Validation
- CVE-2026-17136 — Vulnerabilities in IBM AIX and PowerVM VIOS
- CVE-2026-68553 — Coturn: Format String Injection via TURN USERNAME/REALM into hiredis Redis Command
- CVE-2026-15961 — Power System Information Disclosure
- CVE-2026-12004 — Security vulnerabilities have been found in IBM Verify Identity Access and IBM Security Verify Access
- CVE-2026-67244 — A format string vulnerability was found in the Notification OAuth settings of ADM