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High 8.2Published Aug 20, 2026
CVE-2026-18670Vulnerabilities in IBM AIX and PowerVM VIOS
Updated under an hour ago ()
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It affects IBM AIX and 2 other products. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to cause a denial of service and potentially disclose sensitive information due to an integer underflow.
- CVSS
- 8.2 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
- Weakness (CWE)
- CWE-190
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- ibm
- NVD analysis
- Analyzed
- Record last updated
- Aug 21, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
IBM AIX ibm:aix | 7.2; 7.3 | CNA record |
IBM PowerVM VIOS ibm:powervm_vios | 4.1 | CNA record |
ibm vios ibm:vios | from 4.1.0 before 4.1.0.50; from 4.1.1.0 before 4.1.1.30; from 4.1.2.0 before 4.1.2.20 | NVD |
ibm aix ibm:aix | from 7.2.5 through 7.2.5.212; from 7.3.2 through 7.3.2.5; from 7.3.3 through 7.3.3.2; from 7.3.4 through 7.3.4.1 | NVD |
References
- https://www.ibm.com/support/pages/node/7283858vendor-advisory, patch
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.