{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-17503", "assignerOrgId": "9a959283-ebb5-44b6-b705-dcc2bbced522", "state": "PUBLISHED", "assignerShortName": "ibm", "dateReserved": "2026-07-26T18:58:55.236Z", "datePublished": "2026-09-24T14:06:05.304Z", "dateUpdated": "2026-09-24T14:58:10.635Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "9a959283-ebb5-44b6-b705-dcc2bbced522", "shortName": "ibm", "dateUpdated": "2026-09-24T14:06:05.304Z" }, "title": "This Power System update is being released to address", "problemTypes": [ { "descriptions": [ { "lang": "en", "cweId": "CWE-20", "description": "CWE-20 Improper Input Validation", "type": "CWE" } ] } ], "affected": [ { "vendor": "IBM", "product": "PowerVM Hypervisor", "versions": [ { "status": "affected", "version": "FW1120.00", "lessThanOrEqual": "FW1120.01", "versionType": "semver" }, { "status": "affected", "version": "FW1110.00", "lessThanOrEqual": "FW1110.31", "versionType": "semver" }, { "status": "affected", "version": "FW1060.00", "lessThanOrEqual": "FW1060.81", "versionType": "semver" }, { "status": "affected", "version": "FW950.00", "lessThanOrEqual": "FW950.H3", "versionType": "semver" } ], "cpes": [ "cpe:2.3:a:ibm:powervm_hypervisor:fw1120.00:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:powervm_hypervisor:fw1120.00.0:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:powervm_hypervisor:fw1120.01:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:powervm_hypervisor:fw1120.01.0:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:powervm_hypervisor:fw1110.00:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:powervm_hypervisor:fw1110.00.0:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:powervm_hypervisor:fw1110.31:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:powervm_hypervisor:fw1110.31.0:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:powervm_hypervisor:fw1060.00:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:powervm_hypervisor:fw1060.00.0:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:powervm_hypervisor:fw1060.81:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:powervm_hypervisor:fw1060.81.0:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:powervm_hypervisor:fw950.00:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:powervm_hypervisor:fw950.00.0:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:powervm_hypervisor:fw950.h3:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:powervm_hypervisor:fw950.h3.0:*:*:*:*:*:*:*" ] } ], "descriptions": [ { "lang": "en", "value": "IBM PowerVM Hypervisor FW1120.00 through FW1120.01, FW1110.00 through FW1110.31, FW1060.00 through FW1060.81, and FW950.00 through FW950.H3 is affected by a vulnerability in the partition firmware runtime boot configuration. An attacker with root access to a partition can maliciously alter partition nvram, causing the partition to fail to boot. This condition persists until operator intervention — deleting and recreating the partition configuration — to restore normal operation. Successful exploitation results in an integrity and availability impact.", "supportingMedia": [ { "type": "text/html", "base64": false, "value": "
IBM PowerVM Hypervisor FW1120.00 through FW1120.01, FW1110.00 through FW1110.31, FW1060.00 through FW1060.81, and FW950.00 through FW950.H3 is affected by a vulnerability in the partition firmware runtime boot configuration. An attacker with root access to a partition can maliciously alter partition nvram, causing the partition to fail to boot. This condition persists until operator intervention — deleting and recreating the partition configuration — to restore normal operation. Successful exploitation results in an integrity and availability impact.
" } ] } ], "references": [ { "url": "https://www.ibm.com/support/pages/node/7289133", "tags": [ "vendor-advisory", "patch" ] } ], "metrics": [ { "format": "CVSS", "scenarios": [ { "lang": "en", "value": "GENERAL" } ], "cvssV3_1": { "version": "3.1", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "HIGH", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "availabilityImpact": "HIGH", "baseSeverity": "MEDIUM", "baseScore": 5.1, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:H" } } ], "solutions": [ { "lang": "en", "value": "Customers with the products below should install FW1110.32(1110_138), FW1120.02(1120_171), 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 FW1110.32(1110_160), FW1120.02(1120_195), 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 FW1120.02(1120_195), 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 FW1060.82(1060_189), 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 FW1060.82(1060_199), 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\n\n\n\n\nCustomers with the products below should install FW950.H4(950_236) or newer to remediate this vulnerability.\nPower 9\n\n * IBM Power System S922 (9009-22G)\n * IBM Power System H922 (9223-22S)\n * IBM Power System S914 (9009-41G)\n * IBM Power System S924 (9009-42G)\n * IBM Power System H924 (9223-42S)\n * IBM Power System E950 (9040-MR9)\n * IBM Power System E980 (9080-M9S)\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/", "supportingMedia": [ { "type": "text/html", "base64": false, "value": "Customers with the products below should install FW1110.32(1110_138), FW1120.02(1120_171), or newer to remediate this vulnerability.
Power 11
Customers with the products below should install FW1110.32(1110_160), FW1120.02(1120_195), or newer to remediate this vulnerability.
Power 11
Customers with the products below should install FW1120.02(1120_195), or newer to remediate this vulnerability.
Power 11
Customers with the products below should install FW1060.82(1060_189), or newer to remediate this vulnerability.
Power 10
Customers with the products below should install FW1060.82(1060_199), or newer to remediate this vulnerability.
Power 10
Customers with the products below should install FW950.H4(950_236) or newer to remediate this vulnerability.
Power 9
The images mentioned above can be located at IBM Fix Central : https://www.ibm.com/support/fixcentral/
" } ] } ] }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-09-24T14:52:58.999216Z", "id": "CVE-2026-17503", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-24T14:58:10.635Z" } } ] } }