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CVE-2026-16946

🗓️ 20 Aug 2026 21:34:24Reported by ibmType 
cve
 cve
🔗 web.nvd.nist.gov👁 7 Views

IBM AIX 7.2/7.3 and PowerVM VIOS 4.1 suffer heap buffer overflow allowing local privilege escalation.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
cvelist
Cvelist
CVE-2026-16946 Vulnerabilities in IBM AIX and PowerVM VIOS
20 Aug 202621:34
cvelist
euvd
EUVD
EUVD-2026-63679
21 Aug 202600:31
euvd
ncsc
NCSC
Several vulnerabilities exist in IBM AIX and IBM PowerVM VIOS.
21 Aug 202608:13
ncsc
nvd
NVD
CVE-2026-16946
20 Aug 202622:17
nvd
ptsecurity
Positive Technologies
PT-2026-79160
20 Aug 202600:00
ptsecurity
vulnrichment
Vulnrichment
CVE-2026-16946 Vulnerabilities in IBM AIX and PowerVM VIOS
20 Aug 202621:34
vulnrichment
Vulners
[
  {
    "vendor": "IBM",
    "product": "AIX",
    "versions": [
      {
        "status": "affected",
        "version": "7.2"
      },
      {
        "status": "affected",
        "version": "7.3"
      }
    ],
    "cpes": [
      "cpe:2.3:a:ibm:aix:7.2:*:*:*:*:*:*:*",
      "cpe:2.3:a:ibm:aix:7.2.0:*:*:*:*:*:*:*",
      "cpe:2.3:a:ibm:aix:7.3:*:*:*:*:*:*:*",
      "cpe:2.3:a:ibm:aix:7.3.0:*:*:*:*:*:*:*"
    ]
  },
  {
    "vendor": "IBM",
    "product": "PowerVM VIOS",
    "versions": [
      {
        "status": "affected",
        "version": "4.1"
      }
    ],
    "cpes": [
      "cpe:2.3:a:ibm:powervm_vios:4.1:*:*:*:*:*:*:*",
      "cpe:2.3:a:ibm:powervm_vios:4.1.0:*:*:*:*:*:*:*"
    ]
  }
]

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21 Aug 2026 12:16Current
5.7Medium risk
Vulners AI Score5.7
CVSS 3.17.8
SSVC
7