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 than requested. It has a CVSS v3.1 base score of 5.3 (MEDIUM).

CVE-2026-4937 has a CVSS v3.1 score of 5.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0010, placing it in the 0th percentile for exploitation probability.

CVE-2026-4937 affects products from ibm, specifically: power_system_e1050_\(9043-mrx\), power_system_e1050_\(9043-mrx\)_firmware, power_system_e1080_\(9080-hex\), power_system_e1080_\(9080-hex\)_firmware, power_system_e1150_\(9043-mru\), power_system_e1150_\(9043-mru\)_firmware, power_system_e1180_\(9080-heu\), power_system_e1180_\(9080-heu\)_firmware, power_system_e950_\(9040-mr9\), power_system_e950_\(9040-mr9\)_firmware, power_system_e980_\(9080-m9s\), power_system_e980_\(9080-m9s\)_firmware, power_system_h922_\(9223-22s\), power_system_h922_\(9223-22s\)_firmware, power_system_h924_\(9223-42s\), power_system_h924_\(9223-42s\)_firmware, power_system_l1022_\(9786-22h\), power_system_l1022_\(9786-22h\)_firmware, power_system_l1024_\(9786-42h\), power_system_l1024_\(9786-42h\)_firmware, power_system_l1122_\(9856-22h\), power_system_l1122_\(9856-22h\)_firmware, power_system_l1124_\(9856-42h\), power_system_l1124_\(9856-42h\)_firmware, power_system_s1012_\(9028-21b\), power_system_s1012_\(9028-21b\)_firmware, power_system_s1014_\(9105-41b\), power_system_s1014_\(9105-41b\)_firmware, power_system_s1022_\(9105-22a\), power_system_s1022_\(9105-22a\)_firmware, power_system_s1022s_\(9105-22b\), power_system_s1022s_\(9105-22b\)_firmware, power_system_s1024_\(9105-42a\), power_system_s1024_\(9105-42a\)_firmware, power_system_s1114_\(9824-41b\), power_system_s1114_\(9824-41b\)_firmware, power_system_s1122_\(9824-22a\), power_system_s1122_\(9824-22a\)_firmware, power_system_s1122s_\(9824-22b\), power_system_s1122s_\(9824-22b\)_firmware, power_system_s1124_\(9824-42a\), power_system_s1124_\(9824-42a\)_firmware, power_system_s914_\(9009-41g\), power_system_s914_\(9009-41g\)_firmware, power_system_s922_\(9009-22g\), power_system_s922_\(9009-22g\)_firmware, power_system_s924_\(9009-42g\), power_system_s924_\(9009-42g\)_firmware. Check the affected products table above for specific version ranges.

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.