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CVE-2026-17100

🗓️ 19 Aug 2026 18:26:15Reported by ibmType 
cve
 cve🔗 web.nvd.nist.gov👁 43 Views

IBM Power Firmware service processor mailbox allows out-of-bounds write leading to host firmware code execution.

Related
Detection
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
circl
Circl		CVE-2026-17100
28 Aug 202617:37
–circl
cvelist
Cvelist		CVE-2026-17100 Power System Out-of-bounds Write
19 Aug 202618:26
–cvelist
euvd
EUVD		EUVD-2026-62629
19 Aug 202618:26
–euvd
nvd
NVD		CVE-2026-17100
19 Aug 202619:17
–nvd
ptsecurity
Positive Technologies		PT-2026-78568
19 Aug 202600:00
–ptsecurity
vulnrichment
Vulnrichment		CVE-2026-17100 Power System Out-of-bounds Write
19 Aug 202618:26
–vulnrichment
NVD
Vulners
Node
AND
OR
ibmpower_system_s1122_(9824-22a)_firmwareRangefw1110.00–fw1110.31
ibmpower_system_s1122_(9824-22a)_firmwareMatchfw1120.00
ibmpower_system_s1122_(9824-22a)Match-
Node
AND
OR
ibmpower_system_s1124_(9824-42a)_firmwareRangefw1110.00–fw1110.31
ibmpower_system_s1124_(9824-42a)_firmwareMatchfw1120.00
ibmpower_system_s1124_(9824-42a)Match-
Node
AND
OR
ibmpower_system_s1122s_(9824-22b)_firmwareRangefw1110.00–fw1110.31
ibmpower_system_s1122s_(9824-22b)_firmwareMatchfw1120.00
ibmpower_system_s1122s_(9824-22b)Match-
Node
AND
OR
ibmpower_system_s1114_(9824-41b)_firmwareRangefw1110.00–fw1110.31
ibmpower_system_s1114_(9824-41b)_firmwareMatchfw1120.00
ibmpower_system_s1114_(9824-41b)Match-
Node
AND
OR
ibmpower_system_l1122_(9856-22h)_firmwareRangefw1110.00–fw1110.31
ibmpower_system_l1122_(9856-22h)_firmwareMatchfw1120.00
ibmpower_system_l1122_(9856-22h)Match-
Node
AND
OR
ibmpower_system_l1124_(9856-42h)_firmwareRangefw1110.00–fw1110.31
ibmpower_system_l1124_(9856-42h)_firmwareMatchfw1120.00
ibmpower_system_l1124_(9856-42h)Match-
Node
AND
OR
ibmpower_system_e1150_(9043-mru)_firmwareRangefw1110.00–fw1110.31
ibmpower_system_e1150_(9043-mru)_firmwareMatchfw1120.00
ibmpower_system_e1150_(9043-mru)Match-
Node
AND
ibmpower_system_s1112_(9242-21b)_firmwareMatchfw1120.00
ibmpower_system_s1112_(9242-21b)Match-
Node
AND
ibmpower_system_s1112_(9242-21t)_firmwareMatchfw1120.00
ibmpower_system_s1112_(9242-21t)Match-
Node
AND
ibmpower_system_e1080_(9080-hex)_firmwareRangefw1060.00–fw1060.81
ibmpower_system_e1080_(9080-hex)Match-
Node
AND
ibmpower_system_s1022_(9105-22a)_firmwareRangefw1060.00–fw1060.81
ibmpower_system_s1022_(9105-22a)Match-
Node
AND
ibmpower_system_s1024_(9105-42a)_firmwareRangefw1060.00–fw1060.81
ibmpower_system_s1024_(9105-42a)Match-
Node
AND
ibmpower_system_s1022s_(9105-22b)_firmwareRangefw1060.00–fw1060.81
ibmpower_system_s1022s_(9105-22b)Match-
Node
AND
ibmpower_system_s1014_(9105-41b)_firmwareRangefw1060.00–fw1060.81
ibmpower_system_s1014_(9105-41b)Match-
Node
AND
ibmpower_system_l1022_(9786-22h)_firmwareRangefw1060.00–fw1060.81
ibmpower_system_l1022_(9786-22h)Match-
Node
AND
ibmpower_system_l1024_(9786-42h)_firmwareRangefw1060.00–fw1060.81
ibmpower_system_l1024_(9786-42h)Match-
Node
AND
ibmpower_system_e1050_(9043-mrx)_firmwareRangefw1060.00–fw1060.81
ibmpower_system_e1050_(9043-mrx)Match-
Node
AND
ibmpower_system_s1012_(9028-21b)_firmwareRangefw1060.00–fw1060.81
ibmpower_system_s1012_(9028-21b)Match-
Node
AND
OR
ibmpower_system_e1180_(9080-heu)_firmwareRangefw1110.00–fw1110.31
ibmpower_system_e1180_(9080-heu)_firmwareMatchfw1120.00
ibmpower_system_e1180_(9080-heu)Match-
Node
AND
OR
ibmpower_system_s922_(9009-22g)_firmwareRangefw950.00–fw950.h3
ibmpower_system_s922_(9009-22g)_firmwareMatchfw950.h3
ibmpower_system_s922_(9009-22g)Match-
Node
AND
ibmpower_system_h922_(9223-22s)_firmwareRangefw950.00–fw950.h3
ibmpower_system_h922_(9223-22s)Match-
Node
AND
ibmpower_system_s914_(9009-41g)_firmwareRangefw950.00–fw950.h3
ibmpower_system_s914_(9009-41g)Match-
Node
AND
ibmpower_system_s924_(9009-42g)_firmwareRangefw950.00–fw950.h3
ibmpower_system_s924_(9009-42g)Match-
Node
AND
ibmpower_system_h924_(9223-42s)_firmwareRangefw950.00–fw950.h3
ibmpower_system_h924_(9223-42s)Match-
Node
AND
ibmpower_system_e950_(9040-mr9)_firmwareRangefw950.00–fw950.h3
ibmpower_system_e950_(9040-mr9)Match-
Node
AND
ibmpower_system_e980_(9080-m9s)_firmwareRangefw950.00–fw950.h3
ibmpower_system_e980_(9080-m9s)Match-
Node
AND
ibmpower_system_ac922_(8335-gth)_firmwareRangeop940–op940.a2
ibmpower_system_ac922_(8335-gth)Match-
Node
AND
ibmpower_system_ac922_(8335-gtx)_firmwareRangeop940–op940.a2
ibmpower_system_ac922_(8335-gtx)Match-
Node
AND
ibmpower_hardware_management_console_(7063-cr2)_firmwareRangeop940–op940.82
ibmpower_hardware_management_console_(7063-cr2)Match-
[
  {
    "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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25 Aug 2026 20:28Current
5.7Medium risk
Vulners AI Score5.7
CVSS 3.18.2
EPSS0.00115
SSVC
CWE-787
IBM Power Firmwareservice processormailbox interfaceout-of-bounds writecode executionBMC/FSPhost firmware
43