CVE-2026-11885 json
Power System update in Buffer Copy
published 2026-07-30 3 mo ago modified 2026-10-23 16 d ago also EUVD-2026-51238
- cvss
- 8.4
- 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 4%
- public exploits
- 0
- none known
Summary
IBM PowerVM Hypervisor FW1110.00 through FW1110.20, FW1060.00 through FW1060.71, and FW950.00 through FW950.H1 A carefully crafted OS hypervisor call can cause the PowerVM hypervisor to crash or compromise OS memory integrity.
Patch / fix
- ibm power_system_s1122_(9824-22a)_firmware fw1110.30
- ibm power_system_s1124_(9824-42a)_firmware fw1110.30
- ibm power_system_s1122s_(9824-22b)_firmware fw1110.30
- ibm power_system_s1114_(9824-41b)_firmware fw1110.30
- ibm power_system_l1122_(9856-22h)_firmware fw1110.30
- ibm power_system_l1124_(9856-42h)_firmware fw1110.30
- ibm power_system_e1150_(9043-mru)_firmware fw1110.30
- ibm power_system_e1080_(9080-hex)_firmware fw1060.72
- ibm power_system_s1022_(9105-22a)_firmware fw1060.72
- ibm power_system_s1024_(9105-42a)_firmware fw1060.72
- ibm power_system_s1022s_(9105-22b)_firmware fw1060.72
- ibm power_system_s1014_(9105-41b)_firmware fw1060.72
- ibm power_system_l1022_(9786-22h)_firmware fw1060.72
- ibm power_system_l1024_(9786-42h)_firmware fw1060.72
- ibm power_system_e1050_(9043-mrx)_firmware fw1060.72
- ibm power_system_s1012_(9028-21b)_firmware fw1060.72
- ibm power_system_e1180_(9080-heu)_firmware fw1110.30
- ibm power_system_e980_(9080-m9s)_firmware fw950.h2
- ibm power_system_l922_(9008-22l)_firmware fw950.h2
- ibm power_system_s922_(9009-22a)_firmware fw950.h2
- ibm.com/support/pages/node/7280628 advisory
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 3 mo ago
Exploit prediction
0.15% chance of exploitation in the next 30 days, higher than 4% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 8.4 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H |
Affected products
- IBM PowerVM Hypervisor
Classification
- Weakness
-
- CWE-120 Buffer Copy without Checking Size of Input
References
-
ibm.com
/support/pages/node/7280628
vendor-advisory, patch
Sources
- CVE List CVE-2026-11885
- NVD CVE-2026-11885
Fencer Vulns 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.