IBMCVE-2026-16935
IBM AIX: privilege escalation
High7.8CVE-2026-16935 · Published Aug 20, 2026 · updated Aug 26, 2026
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 time-of-check to time-of-use (TOCTOU) race condition.
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| AIX Product | <= 7.2 | No fix yet |
| <= 7.3 | No fix yet | |
| PowerVM VIOS Product | <= 4.1 | No fix yet |
Details and references
- CVSS 3.1
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Severity from
- the vendor (its own CVE record or advisory)
- Weakness
- CWE-367
More IBM advisories
All IBM| Date | Advisory | Severity | Fixed in |
|---|---|---|---|
| Aug 20 | IBM AIX: denial of service | High8.2 | No fix yet |
| Aug 20 | IBM AIX: resource exhaustion | High7.5 | No fix yet |
| Aug 20 | IBM AIX: memory corruption | Medium6.5 | No fix yet |
| Aug 20 | IBM AIX: improper privilege management | High8.8 | No fix yet |
| Aug 20 | IBM AIX: memory corruption | Medium6.7 | No fix yet |
| Aug 20 | IBM AIX: denial of service | Medium5.4 | No fix yet |