Reference page — cumulative record through Sunday, October 4, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
CVE-2026-4932
IBM PowerVM Hypervisor — This Power System update is being released to address Insufficient Entropy
AV AC PR UI S C I A CVSS EPSS %ile KEV
P L N N U H N N 4.6 .0011 1.3 —
AFFECTED
Product Versions Fixed
PowerVM Hypervisor FW1110.00 – —
TIMELINE
Mar 26 Reserved by ibm
Jul 28 Published (CNA: ibm)
Aug 26 RESCORED — CVE-2026-4932 (IBM PowerVM Hypervisor). CVSS 4.2 → 4.6 (NVD).
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.
Lifecycle
Complete event history — 3 events, chronological
| Date | Event | Detail |
| March 26, 2026 | Reserved | Reserved by ibm |
| July 28, 2026 | Published | Published (CNA: ibm) |
| August 26, 2026 | RESCORED | RESCORED — CVE-2026-4932 (IBM PowerVM Hypervisor). CVSS 4.2 → 4.6 (NVD). |
Affected
Affected products and packages — 1 row
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
| IBM | PowerVM Hypervisor | — | FW1110.00 | — |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-4932 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Sunday, October 4, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.