{"api_version":"1","generated_at":"2026-08-22T04:38:18+00:00","cve":"CVE-2026-19321","urls":{"html":"https://cve.report/CVE-2026-19321","api":"https://cve.report/api/cve/CVE-2026-19321.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-19321","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-19321"},"summary":{"title":"Power System Integer Overflow","description":"Power Systems Firmware FW1120.00, FW1110.00 through FW1110.30, and FW1060.00 through FW1060.80 is affected by a vulnerability in the host firmware. An attacker with service access to the service processor can supply a carefully crafted command that could leak the contents of hardware registers that should be inaccessible to the service processor. Successful exploitation could result in limited confidentiality or availability impacts to the affected host system.","state":"PUBLISHED","assigner":"ibm","published_at":"2026-08-19 19:17:12","updated_at":"2026-08-20 16:17:17"},"problem_types":["CWE-190","CWE-190 CWE-190 Integer Overflow or 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Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-19321","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"IBM","product":"Power Systems Firmware","version":"affected FW1120.00","platforms":[]},{"source":"CNA","vendor":"IBM","product":"Power Systems Firmware","version":"affected FW1110.00 FW1110.30 semver","platforms":[]},{"source":"CNA","vendor":"IBM","product":"Power Systems Firmware","version":"affected FW1060.00 FW1060.80 semver","platforms":[]}],"timeline":[],"solutions":[{"source":"CNA","title":"","value":"Customers with the products below should install FW1110.31(1110_134), FW1120.01(1120_167), or newer to remediate this vulnerability.\nPower 11\n\n * IBM Power System E1180 (9080-HEU)\n\n\nCustomers with the products below should install FW1110.31(1110_155), FW1120.01(1120_190), or newer to remediate this vulnerability.\nPower 11\n\n * IBM Power System S1122 (9824-22A)\n * IBM Power System S1124 (9824-42A)\n * IBM Power System S1122s (9824-22B)\n * IBM Power System S1114 (9824-41B)\n * IBM Power System L1122 (9856-22H)\n * IBM Power System L1124 (9856-42H)\n * IBM Power System E1150 (9043-MRU)\n\n\nCustomers with the products below should install FW1120.01(1120_190), or newer to remediate this vulnerability.\n\n\n\nPower 11\n\n * IBM Power System S1112 (9242-21B, 9242-21T)\n\n\n\nCustomers with the products below should install FW1060.81(1060_184), or newer to remediate this vulnerability.\nPower 10\n\n * IBM Power System E1080 (9080-HEX)\n\n\nCustomers with the products below should install  FW1060.81(1060_191), or newer to remediate this vulnerability.\nPower 10\n\n * IBM Power System S1022 (9105-22A)\n * IBM Power System S1024 (9105-42A)\n * IBM Power System S1022s (9105-22B)\n * IBM Power System S1014 (9105-41B)\n * IBM Power System L1022 (9786-22H)\n * IBM Power System L1024 (9786-42H)\n * IBM Power System E1050 (9043-MRX)\n * IBM Power System S1012 (9028-21B)\n\n\nThe images mentioned above can be located at IBM Fix Central : https://www.ibm.com/support/fixcentral/ https://www.ibm.com/support/fixcentral/","time":"","lang":"en"}],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"19321","cve":"CVE-2026-19321","epss":"0.001090000","percentile":"0.014060000","score_date":"2026-08-21","updated_at":"2026-08-22 00:12:49"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"metrics":[{"other":{"content":{"id":"CVE-2026-19321","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","timestamp":"2026-08-20T15:41:23.031708Z","version":"2.0.3"},"type":"ssvc"}}],"providerMetadata":{"dateUpdated":"2026-08-20T15:57:07.860Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"title":"CISA ADP 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Power Systems Firmware FW1120.00, FW1110.00 through FW1110.30, and FW1060.00 through FW1060.80 is affected by a vulnerability in the host firmware. An attacker with service access to the service processor can supply a carefully crafted command that could leak the contents of hardware registers that should be inaccessible to the service processor. Successful exploitation could result in limited confidentiality or availability impacts to the affected host system.

"}],"value":"Power Systems Firmware FW1120.00, FW1110.00 through FW1110.30, and FW1060.00 through FW1060.80 is affected by a vulnerability in the host firmware. An attacker with service access to the service processor can supply a carefully crafted command that could leak the contents of hardware registers that should be inaccessible to the service processor. Successful exploitation could result in limited confidentiality or availability impacts to the affected host system."}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":6.7,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"NONE","privilegesRequired":"HIGH","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:H","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-190","description":"CWE-190 Integer Overflow or Wraparound","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-08-19T19:04:51.228Z","orgId":"9a959283-ebb5-44b6-b705-dcc2bbced522","shortName":"ibm"},"references":[{"tags":["vendor-advisory","patch"],"url":"https://www.ibm.com/support/pages/node/7283222"}],"solutions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"

Customers with the products below should install FW1110.31(1110_134), FW1120.01(1120_167), or newer to remediate this vulnerability.
Power 11

  1. IBM Power System E1180 (9080-HEU)

Customers with the products below should install FW1110.31(1110_155), FW1120.01(1120_190), or newer to remediate this vulnerability.
Power 11

  1. IBM Power System S1122 (9824-22A)
  2. IBM Power System S1124 (9824-42A)
  3. IBM Power System S1122s (9824-22B)
  4. IBM Power System S1114 (9824-41B)
  5. IBM Power System L1122 (9856-22H)
  6. IBM Power System L1124 (9856-42H)
  7. IBM Power System E1150 (9043-MRU)

Customers with the products below should install FW1120.01(1120_190), or newer to remediate this vulnerability.

Power 11

  1. IBM Power System S1112 (9242-21B, 9242-21T)


Customers with the products below should install FW1060.81(1060_184), or newer to remediate this vulnerability.
Power 10

  1. IBM Power System E1080 (9080-HEX)

Customers with the products below should install  FW1060.81(1060_191), or newer to remediate this vulnerability.
Power 10

  1. IBM Power System S1022 (9105-22A)
  2. IBM Power System S1024 (9105-42A)
  3. IBM Power System S1022s (9105-22B)
  4. IBM Power System S1014 (9105-41B)
  5. IBM Power System L1022 (9786-22H)
  6. IBM Power System L1024 (9786-42H)
  7. IBM Power System E1050 (9043-MRX)
  8. IBM Power System S1012 (9028-21B)

The images mentioned above can be located at IBM Fix Central : https://www.ibm.com/support/fixcentral/

"}],"value":"Customers with the products below should install FW1110.31(1110_134), FW1120.01(1120_167), or newer to remediate this vulnerability.\nPower 11\n\n * IBM Power System E1180 (9080-HEU)\n\n\nCustomers with the products below should install FW1110.31(1110_155), FW1120.01(1120_190), or newer to remediate this vulnerability.\nPower 11\n\n * IBM Power System S1122 (9824-22A)\n * IBM Power System S1124 (9824-42A)\n * IBM Power System S1122s (9824-22B)\n * IBM Power System S1114 (9824-41B)\n * IBM Power System L1122 (9856-22H)\n * IBM Power System L1124 (9856-42H)\n * IBM Power System E1150 (9043-MRU)\n\n\nCustomers with the products below should install FW1120.01(1120_190), or newer to remediate this vulnerability.\n\n\n\nPower 11\n\n * IBM Power System S1112 (9242-21B, 9242-21T)\n\n\n\nCustomers with the products below should install FW1060.81(1060_184), or newer to remediate this vulnerability.\nPower 10\n\n * IBM Power System E1080 (9080-HEX)\n\n\nCustomers with the products below should install  FW1060.81(1060_191), or newer to remediate this vulnerability.\nPower 10\n\n * IBM Power System S1022 (9105-22A)\n * IBM Power System S1024 (9105-42A)\n * IBM Power System S1022s (9105-22B)\n * IBM Power System S1014 (9105-41B)\n * IBM Power System L1022 (9786-22H)\n * IBM Power System L1024 (9786-42H)\n * IBM Power System E1050 (9043-MRX)\n * IBM Power System S1012 (9028-21B)\n\n\nThe images mentioned above can be located at IBM Fix Central : https://www.ibm.com/support/fixcentral/ https://www.ibm.com/support/fixcentral/"}],"title":"Power System Integer Overflow"}},"cveMetadata":{"assignerOrgId":"9a959283-ebb5-44b6-b705-dcc2bbced522","assignerShortName":"ibm","cveId":"CVE-2026-19321","datePublished":"2026-08-19T18:21:29.782Z","dateReserved":"2026-08-07T20:28:10.935Z","dateUpdated":"2026-08-20T15:57:07.860Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-08-19 19:17:12","lastModifiedDate":"2026-08-20 16:17:17","problem_types":["CWE-190","CWE-190 CWE-190 Integer Overflow or Wraparound"],"metrics":{"cvssMetricV31":[{"source":"psirt@us.ibm.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:H","baseScore":6.7,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"HIGH","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"LOW","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":1.5,"impactScore":4.7}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-08-20T15:41:23.031708Z","id":"CVE-2026-19321","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"19321","Ordinal":"1","Title":"Power System Integer Overflow","CVE":"CVE-2026-19321","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"19321","Ordinal":"1","NoteData":"Power Systems Firmware FW1120.00, FW1110.00 through FW1110.30, and FW1060.00 through FW1060.80 is affected by a vulnerability in the host firmware. An attacker with service access to the service processor can supply a carefully crafted command that could leak the contents of hardware registers that should be inaccessible to the service processor. Successful exploitation could result in limited confidentiality or availability impacts to the affected host system.","Type":"Description","Title":"Power System Integer Overflow"}]}}}