CVE-2026-4932

MEDIUMCVSS 4.6/10EPSS 0.11%

Last modified

CVE-2026-4932 is a medium-severity vulnerability rated 4.6/10 on the CVSS scale. 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.. EPSS estimates a 0.11% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability
0.11%

1.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
IbmPower System S1122 \(9824-22a\) Firmware>= fw1110.00, < fw1110.30
IbmPower System S1124 \(9824-42a\) Firmware>= fw1110.00, < fw1110.30
IbmPower System S1122s \(9824-22b\) Firmware>= fw1110.00, < fw1110.30
IbmPower System S1114 \(9824-41b\) Firmware>= fw1110.00, < fw1110.30
IbmPower System L1122 \(9856-22h\) Firmware>= fw1110.00, < fw1110.30
IbmPower System L1124 \(9856-42h\) Firmware>= fw1110.00, < fw1110.30
IbmPower System E1150 \(9043-Mru\) Firmware>= fw1110.00, < fw1110.30
IbmPower System S1022 \(9105-22a\) Firmware>= fw1060.00, < fw1060.72
IbmPower System S1024 \(9105-42a\) Firmware>= fw1060.00, < fw1060.72
IbmPower System S1022s \(9105-22b\) Firmware>= fw1060.00, < fw1060.72
IbmPower System S1014 \(9105-41b\) Firmware>= fw1060.00, < fw1060.72
IbmPower System L1022 \(9786-22h\) Firmware>= fw1060.00, < fw1060.72
IbmPower System L1024 \(9786-42h\) Firmware>= fw1060.00, < fw1060.72
IbmPower System E1050 \(9043-Mrx\) Firmware>= fw1060.00, < fw1060.72
IbmPower System S1012 \(9028-21b\) Firmware>= fw1060.00, < fw1060.72
IbmPower System E1180 \(9080-Heu\) Firmware>= fw1110.00, < fw1110.30
IbmPower System E1080 \(9080-Hex\) Firmware>= fw1060.00, < fw1060.72

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is 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 cryptographic entropy.
How severe is CVE-2026-4932?
CVE-2026-4932 has a CVSS score of 4.6/10 (MEDIUM severity). The EPSS model estimates a 0.11% probability of exploitation in the next 30 days.
How do I fix CVE-2026-4932?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

How Strix Helps

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Source: NVD / NIST