Vulnerability Details CVE-2026-16938
IBM Power Systems Firmware FW1120.00, FW1110.00 through FW1110.30, FW1060.00 through FW1060.80, and FW950.00 through FW950.H2 is affected by a vulnerability in access controls over privileged system configuration operations on the FSP. An attacker with authenticated administrator-level access to the FSP can place the managed system into a non-production operational mode, allowing certain system components to be disabled. This condition persists across FSP resets and requires explicit operator intervention — clearing the affected configuration — to restore normal operation. Successful exploitation results in an availability impact to the managed system.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 3.5%
CVSS Severity
CVSS v3 Score 6.9
Products affected by CVE-2026-16938
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cpe:2.3:h:ibm:power_system_e1080_(9080-hex):-
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cpe:2.3:h:ibm:power_system_e1180_(9080-heu):-
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cpe:2.3:h:ibm:power_system_e950_(9040-mr9):-
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cpe:2.3:h:ibm:power_system_e980_(9080-m9s):-
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cpe:2.3:h:ibm:power_system_h922_(9223-22s):-
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cpe:2.3:h:ibm:power_system_h924_(9223-42s):-
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cpe:2.3:h:ibm:power_system_s914_(9009-41g):-
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cpe:2.3:h:ibm:power_system_s922_(9009-22g):-
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cpe:2.3:h:ibm:power_system_s924_(9009-42g):-
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cpe:2.3:o:ibm:power_system_e1080_(9080-hex)_firmware:fw1060.00
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cpe:2.3:o:ibm:power_system_e1080_(9080-hex)_firmware:fw1060.10
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cpe:2.3:o:ibm:power_system_e1080_(9080-hex)_firmware:fw1060.72
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cpe:2.3:o:ibm:power_system_e1180_(9080-heu)_firmware:fw1110.00
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cpe:2.3:o:ibm:power_system_e1180_(9080-heu)_firmware:fw1110.30
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cpe:2.3:o:ibm:power_system_e1180_(9080-heu)_firmware:fw1120.00
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cpe:2.3:o:ibm:power_system_e950_(9040-mr9)_firmware:fw950.00
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cpe:2.3:o:ibm:power_system_e950_(9040-mr9)_firmware:fw950.c0
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cpe:2.3:o:ibm:power_system_e950_(9040-mr9)_firmware:fw950.h2
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cpe:2.3:o:ibm:power_system_e980_(9080-m9s)_firmware:fw950.00
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cpe:2.3:o:ibm:power_system_e980_(9080-m9s)_firmware:fw950.c0
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cpe:2.3:o:ibm:power_system_e980_(9080-m9s)_firmware:fw950.h2
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cpe:2.3:o:ibm:power_system_h922_(9223-22s)_firmware:fw950.00
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cpe:2.3:o:ibm:power_system_h922_(9223-22s)_firmware:fw950.c0
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cpe:2.3:o:ibm:power_system_h922_(9223-22s)_firmware:fw950.h2
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cpe:2.3:o:ibm:power_system_h924_(9223-42s)_firmware:fw950.00
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cpe:2.3:o:ibm:power_system_h924_(9223-42s)_firmware:fw950.c0
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cpe:2.3:o:ibm:power_system_h924_(9223-42s)_firmware:fw950.h2
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cpe:2.3:o:ibm:power_system_s914_(9009-41g)_firmware:fw950.00
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cpe:2.3:o:ibm:power_system_s914_(9009-41g)_firmware:fw950.c0
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cpe:2.3:o:ibm:power_system_s914_(9009-41g)_firmware:fw950.h2
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cpe:2.3:o:ibm:power_system_s922_(9009-22g)_firmware:fw950.00
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cpe:2.3:o:ibm:power_system_s922_(9009-22g)_firmware:fw950.c0
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cpe:2.3:o:ibm:power_system_s922_(9009-22g)_firmware:fw950.h2
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cpe:2.3:o:ibm:power_system_s924_(9009-42g)_firmware:fw950.00
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cpe:2.3:o:ibm:power_system_s924_(9009-42g)_firmware:fw950.c0
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cpe:2.3:o:ibm:power_system_s924_(9009-42g)_firmware:fw950.h2