What is CVE-2026-4932?

CVE-2026-4932 is a medium-severity vulnerability in Ibm Powervm Hypervisor, classified under Insufficient Entropy. CVSS score: 4.2/10. Published 2026-07-28.

How severe is CVE-2026-4932?

Medium severity. CVSS v3 base score is 4.2 out of 10.

Vulnerability in Ibm Powervm Hypervisor

CVE-2026-4932

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 cryptograp…

CVSS v3 metric

CVSS v3 base score 4.2 (Medium). Vector: CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Ibm Powervm Hypervisor — versions FW1110.00, FW1060.00

Weakness classification (CWE)

CWE-331 — Insufficient Entropy

References

psirt@us.ibm.com (vendor-advisory, patch)

Frequently asked questions

What is CVE-2026-4932?: CVE-2026-4932 is a medium-severity vulnerability in Ibm Powervm Hypervisor, classified under Insufficient Entropy. CVSS score: 4.2/10. Published 2026-07-28.
How severe is CVE-2026-4932?: Medium severity. CVSS v3 base score is 4.2 out of 10.