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Fencer Intel
medium 5.2

CVE-2026-15961 json

Power System Information Disclosure

published 2mo ago modified 2mo ago also EUVD-2026-62429

cvss
5.2
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.1%
EPSS 0.1% chance of exploitation in 30 days, percentile 2%
public exploits
0
none known

Summary

IBM PowerVM Hypervisor FW1120.00, FW1110.00 through FW1110.30, and FW1060.00 through FW1060.80 IBM PowerVM could allow a local attacker to obtain sensitive information or cause a denial of service due to improper control of format strings.

Patch / fix

  • ibm power_system_s1122_(9824-22a)_firmware fw1110.31
  • ibm power_system_s1124_(9824-42a)_firmware fw1110.31
  • ibm power_system_s1122s_(9824-22b)_firmware fw1110.31
  • ibm power_system_s1114_(9824-41b)_firmware fw1110.31
  • ibm power_system_l1122_(9856-22h)_firmware fw1110.31
  • ibm power_system_l1124_(9856-42h)_firmware fw1110.31
  • ibm power_system_e1150_(9043-mru)_firmware fw1110.31
  • ibm power_system_e1080_(9080-hex)_firmware fw1060.81
  • ibm power_system_s1022_(9105-22a)_firmware fw1060.81
  • ibm power_system_s1024_(9105-42a)_firmware fw1060.81
  • ibm power_system_s1022s_(9105-22b)_firmware fw1060.81
  • ibm power_system_s1014_(9105-41b)_firmware fw1060.81
  • ibm power_system_l1022_(9786-22h)_firmware fw1060.81
  • ibm power_system_l1024_(9786-42h)_firmware fw1060.81
  • ibm power_system_e1050_(9043-mrx)_firmware fw1060.81
  • ibm power_system_s1012_(9028-21b)_firmware fw1060.81
  • ibm power_system_e1180_(9080-heu)_firmware fw1110.31

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CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
2mo ago

Exploit prediction

0.13% chance of exploitation in the next 30 days, higher than 2% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.1 5.2 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:H
NVD 3.1 6.0 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H

Affected products

  • IBM PowerVM Hypervisor

Classification

Weakness
  • CWE-134 Use of Externally-Controlled Format String

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.