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CVE-2026-4936

🗓️ 19 Aug 2026 20:14:55Reported by ibmType 
cve
 cve
🔗 web.nvd.nist.gov👁 23 Views

IBM PowerVM PKS and vTPM firmware use weak persistent key seeds, allowing attackers to derive AES keys and access encrypted data.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
ibm
IBM Security Bulletins
Security Bulletin: This Power System update is being released to address CVE-2026-4936
15 Aug 202616:51
ibm
cvelist
Cvelist
CVE-2026-4936 Power System Insufficient Entropy
19 Aug 202620:14
cvelist
euvd
EUVD
EUVD-2026-62845
19 Aug 202621:30
euvd
nvd
NVD
CVE-2026-4936
19 Aug 202621:16
nvd
ptsecurity
Positive Technologies
PT-2026-78672
19 Aug 202600:00
ptsecurity
Vulners
Node
OR
ibmpowervm_hypervisorRangeFW1110.00FW1110.20
ibmpowervm_hypervisorRangeFW1060.00FW1060.71
ibmpowervm_hypervisorRangeFW950.00FW950
[
  {
    "vendor": "IBM",
    "product": "PowerVM Hypervisor",
    "versions": [
      {
        "status": "affected",
        "version": "FW1110.00",
        "lessThanOrEqual": "FW1110.20",
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "FW1060.00",
        "lessThanOrEqual": "FW1060.71",
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "FW950.00",
        "lessThanOrEqual": "FW950.H2",
        "versionType": "semver"
      }
    ],
    "cpes": [
      "cpe:2.3:o:ibm:power_systems_firmware:fw1110.00:*:*:*:*:*:*:*",
      "cpe:2.3:o:ibm:power_systems_firmware:fw1110.20:*:*:*:*:*:*:*",
      "cpe:2.3:o:ibm:power_systems_firmware:fw1060.00:*:*:*:*:*:*:*",
      "cpe:2.3:o:ibm:power_systems_firmware:fw1060.71:*:*:*:*:*:*:*",
      "cpe:2.3:o:ibm:power_systems_firmware:fw950.00:*:*:*:*:*:*:*",
      "cpe:2.3:o:ibm:power_systems_firmware:fw950.h2:*:*:*:*:*:*:*"
    ]
  }
]

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