Medium severity5.1NVD Advisory· Published Aug 19, 2026
CVE-2026-4936
CVE-2026-4936
Description
IBM PowerVM Hypervisor Platform KeyStore (PKS) and virtual TPM FW1110.00 through FW1110.20, FW1060.00 through FW1060.71, and FW950.00 through FW950.H2 use persistent storage key seeds that result in an AES key with reduced strength. An attacker with access to the service processor or HMC could exploit this weakness to derive the encryption key and access the data.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2- Range: FW1110.00-FW1110.20, FW1060.00-FW1060.71, FW950.00-FW950.H2
- Range: FW1110.00-FW1110.20, FW1060.00-FW1060.71, FW950.00-FW950.H2
Patches
Vulnerability mechanics
References
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