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CVE-2026-17100 Power System Out-of-bounds Write

🗓️ 19 Aug 2026 18:26:15Reported by ibmType 
cvelist
 cvelist
🔗 www.cve.org👁 4 Views

IBM Power Firmware service processor mailbox OOB write enables arbitrary code execution in host firmware runtime.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ibm
IBM Security Bulletins
Security Bulletin: This Power System update is being released to address CVE-2026-17100
15 Aug 202617:28
ibm
cve
CVE
CVE-2026-17100
19 Aug 202618:26
cve
euvd
EUVD
EUVD-2026-62629
19 Aug 202618:26
euvd
nvd
NVD
CVE-2026-17100
19 Aug 202619:17
nvd
[
  {
    "vendor": "IBM",
    "product": "Power Systems Firmware",
    "versions": [
      {
        "status": "affected",
        "version": "FW1120.00"
      },
      {
        "status": "affected",
        "version": "FW1110.00",
        "lessThanOrEqual": "FW1110.30",
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "FW1060.00",
        "lessThanOrEqual": "FW1060.80",
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "FW950.00",
        "lessThanOrEqual": "FW950.H2",
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "OP940.00",
        "lessThanOrEqual": "OP940.a1",
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "OP940.00",
        "lessThanOrEqual": "OP940.81",
        "versionType": "semver"
      }
    ],
    "cpes": [
      "cpe:2.3:o:ibm:power_firmware:fw1120.00:*:*:*:*:*:*:*",
      "cpe:2.3:o:ibm:power_firmware:fw1110.00:*:*:*:*:*:*:*",
      "cpe:2.3:o:ibm:power_firmware:fw1110.30:*:*:*:*:*:*:*",
      "cpe:2.3:o:ibm:power_firmware:fw1060.00:*:*:*:*:*:*:*",
      "cpe:2.3:o:ibm:power_firmware:fw1060.80:*:*:*:*:*:*:*",
      "cpe:2.3:o:ibm:power_firmware:fw950.00:*:*:*:*:*:*:*",
      "cpe:2.3:o:ibm:power_firmware:fw950.h2:*:*:*:*:*:*:*",
      "cpe:2.3:o:ibm:power_firmware:op940.00:*:*:*:*:*:*:*",
      "cpe:2.3:o:ibm:power_firmware:op940.a1:*:*:*:*:*:*:*"
    ]
  }
]

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