CVE-2026-4932 - Vulnerability Details - OpenCVE

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.

No CVSS v4.0

Attack Vector Physical

Attack Complexity High

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00081.

Key SSVC decision points have not yet been added.

Vendors	Products
Ibm	Powervm Hypervisor

No data.

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OpenCVE Enrichment is a feature of OpenCVE that uses AI to automatically link vendors and products to CVEs. Learn more on GitHub.

Vendors	Products
Ibm	Powervm Hypervisor

References

Link	Providers
https://www.ibm.com/support/pages/node/7280632

History

Tue, 28 Jul 2026 18:30:00 +0000

Type	Values Removed	Values Added
Description		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.
Title		This Power System update is being released to address Insufficient Entropy
First Time appeared		Ibm Ibm powervm Hypervisor
Weaknesses		CWE-331
CPEs		cpe:2.3:a:ibm:powervm_hypervisor:fw1060.00.0:::::::* cpe:2.3:a:ibm:powervm_hypervisor:fw1060.00:::::::* cpe:2.3:a:ibm:powervm_hypervisor:fw1060.71.0:::::::* cpe:2.3:a:ibm:powervm_hypervisor:fw1060.71:::::::* cpe:2.3:a:ibm:powervm_hypervisor:fw1110.00.0:::::::* cpe:2.3:a:ibm:powervm_hypervisor:fw1110.00:::::::* cpe:2.3:a:ibm:powervm_hypervisor:fw1110.20.0:::::::* cpe:2.3:a:ibm:powervm_hypervisor:fw1110.20:::::::*
Vendors & Products		Ibm Ibm powervm Hypervisor
References		https://www.ibm.com/support/pages/node/7280632
Metrics		cvssV3_1 `{'score': 4.2, 'vector': 'CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N'}`

MITRE

Status: PUBLISHED

Assigner: ibm

Published: 2026-07-28T18:09:32.739Z

Updated: 2026-07-28T18:46:57.145Z

Reserved: 2026-03-26T19:43:02.211Z

Link: CVE-2026-4932

Vulnrichment

No data.

NVD

No data.

Redhat

No data.

OpenCVE Enrichment

Updated: 2026-07-28T19:30:16Z

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