CVE-2026-4937
Power System Insufficient Entropy
CVSS Score
5.3
EPSS Score
0.0%
EPSS Percentile
0th
IBM PowerVM Hypervisor FW1110.00 through FW1110.20, FW1060.00 through FW1060.71, and FW950.00 through FW950.H2 could allow a local attacker with administrative privileges to decrypt encrypted data due to certain hypervisor calls utilizing less entropy than requested.
| CWE | CWE-331 |
| Vendor | ibm |
| Product | powervm hypervisor |
| Published | Aug 19, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N Attack Vector
Local
Attack Complexity
High
Privileges Required
High
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
None
Availability
None
Affected Versions
IBM / PowerVM Hypervisor
FW1110.00 ≤ FW1110.20 FW1060.00 ≤ FW1060.71 FW950.00 ≤ FW950.H2