CVE-2026-18870
PowerVM Hypervisor: This Power System update is being released to address
IBM PowerVM HypervisorContainers & cloud
CVSS
4.3MediumExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.18%Chance of exploitation activity in the next 30 days, higher than 7% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
What fixes it
No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.
Description
IBM PowerVM Hypervisor FW1120.00 through FW1120.01, FW1110.00 through FW1110.31, FW1060.00 through FW1060.81, and FW950.00 through FW950.H3 could allow a remote attacker to obtain sensitive information due to an out-of-bounds read.
Text from CVE List
Affected versions 4
- PowerVM Hypervisoraffected: FW1120.00 through FW1120.01CVE List
- PowerVM Hypervisoraffected: FW1110.00 through FW1110.31CVE List
- PowerVM Hypervisoraffected: FW1060.00 through FW1060.81CVE List
- PowerVM Hypervisoraffected: FW950.00 through FW950.H3CVE List