SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2026-4937

IBM PowerVM Hypervisor FW1110.00 through FW1110.20, FW1060.00 through FW1060.71, and FW950.00 through FW950.H2 could allow a local attacker with administrative privileges to decrypt encrypted data due to certain hypervisor calls utilizing less entropy…

MEDIUM 6.0EPSS 0.10%

Does this matter?

Lower severity and a low EPSS score (0.10%). Track it; it rarely justifies an emergency change on its own.

Description

IBM PowerVM Hypervisor FW1110.00 through FW1110.20, FW1060.00 through FW1060.71, and FW950.00 through FW950.H2 could allow a local attacker with administrative privileges to decrypt encrypted data due to certain hypervisor calls utilizing less entropy than requested.

CVSS 3.1
6.0 MEDIUMCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N
EPSS
0.10% probability · 1th percentile
CISA KEV
Not listed
Weakness
CWE-331
Affected
ibm/power system s1122 \(9824-22a\) firmware · ibm/power system s1124 \(9824-42a\) firmware · ibm/power system s1122s \(9824-22b\) firmware · ibm/power system s1114 \(9824-41b\) firmware · ibm/power system l1122 \(9856-22h\) firmware · ibm/power system l1124 \(9856-42h\) firmware · ibm/power system e1150 \(9043-mru\) firmware · ibm/power system e1080 \(9080-hex\) firmware · ibm/power system s1022 \(9105-22a\) firmware · ibm/power system s1024 \(9105-42a\) firmware · ibm/power system s1022s \(9105-22b\) firmware · ibm/power system s1014 \(9105-41b\) firmware · ibm/power system l1022 \(9786-22h\) firmware · ibm/power system l1024 \(9786-42h\) firmware · ibm/power system e1050 \(9043-mrx\) firmware · ibm/power system s1012 \(9028-21b\) firmware · ibm/power system e1180 \(9080-heu\) firmware · ibm/power system s922 \(9009-22g\) firmware · ibm/power system h922 \(9223-22s\) firmware · ibm/power system s914 \(9009-41g\) firmware · +4 more
Source
psirt@us.ibm.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.