CVE-2026-4932
This Power System update is being released to address Insufficient Entropy
CVSS Score
4.2
EPSS Score
0.0%
EPSS Percentile
0th
IBM PowerVM Hypervisor FW1110.00 through FW1110.20, and FW1060.00 through FW1060.71 could allow an attacker with physical access to the Transparent Memory Encryption (TME) hardware to decrypt encrypted memory due to insufficient cryptographic entropy.
| CWE | CWE-331 |
| Vendor | ibm |
| Product | powervm hypervisor |
| Published | Jul 28, 2026 |
| Last Updated | Jul 28, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N Attack Vector
Physical
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
Affected Versions
IBM / PowerVM Hypervisor
FW1110.00 ≤ FW1110.20 FW1060.00 ≤ FW1060.71