IBM Powervm Hypervisor vulnerabilities

23 CVEs affecting IBM Powervm Hypervisor, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2026-96266, published 2026-10-12.

Highest priority

Known exploited (CISA KEV) first, then by EPSS exploit probability.

CVE-2021-38917, published 2021-12-10. Critical severity, CVSS 9.1. EPSS: 1.6% chance of exploitation in the next 30 days. IBM PowerVM Hypervisor FW860, FW940, and FW950 could allow an attacker that gains service access to the FSP can read and write arbitrary host system memory through a series of carefully crafted…
CVE-2021-38918, published 2022-01-05. High severity, CVSS 7.5. EPSS: 1.2% chance of exploitation in the next 30 days. IBM PowerVM Hypervisor FW860, FW940, FW950, and FW1010, through a specific sequence of VM management operations could lead to a violation of the isolation between peer VMs. IBM X-Force ID: 210019.
CVE-2021-38937, published 2021-12-10. Medium severity, CVSS 6.5. EPSS: 1% chance of exploitation in the next 30 days. IBM PowerVM Hypervisor FW940, FW950, and FW1010 could allow an authenticated user to cause the system to crash using a specially crafted IBMi Hypervisor call. IBM X-Force ID: 210894.
CVE-2022-22445, published 2022-07-18. Medium severity, CVSS 6.5. EPSS: 0.7% chance of exploitation in the next 30 days. An attacker that gains service access to the FSP (POWER9 only) or gains admin authority to a partition can compromise partition firmware.
CVE-2023-25683, published 2023-06-15. High severity, CVSS 7.5. EPSS: 0.6% chance of exploitation in the next 30 days. IBM PowerVM Hypervisor FW950.00 through FW950.71, FW1010.00 through FW1010.40, FW1020.00 through FW1020.20, and FW1030.00 through FW1030.11 could allow an attacker to obtain sensitive information if…
CVE-2021-20505, published 2021-07-29. Medium severity, CVSS 4.4. EPSS: 0.5% chance of exploitation in the next 30 days. The PowerVM Logical Partition Mobility(LPM) (PowerVM Hypervisor FW920, FW930, FW940, and FW950) encryption key exchange protocol can be compromised. If an attacker has the ability to capture…
CVE-2022-34331, published 2022-11-11. Critical severity, CVSS 9.8. EPSS: 0.5% chance of exploitation in the next 30 days. After performing a sequence of Power FW950, FW1010 maintenance operations a SRIOV network adapter can be improperly configured leading to desired VEPA configuration being disabled. IBM X-Force ID: …
CVE-2023-33851, published 2024-02-04. Medium severity, CVSS 4.9. EPSS: 0.4% chance of exploitation in the next 30 days. IBM PowerVM Hypervisor FW950.00 through FW950.90, FW1020.00 through FW1020.40, and FW1030.00 through FW1030.30 could reveal sensitive partition data to a system administrator. IBM X-Force ID: …
CVE-2024-41781, published 2024-11-22. Medium severity, CVSS 5.9. EPSS: 0.3% chance of exploitation in the next 30 days. IBM PowerVM Platform KeyStore (IBM PowerVM Hypervisor FW950.00 through FW950.90, FW1030.00 through FW1030.60, FW1050.00 through FW1050.20, and FW1060.00 through FW1060.10 functionality can be…
CVE-2023-30438, published 2023-05-17. High severity, CVSS 8.8. EPSS: 0.2% chance of exploitation in the next 30 days. An internally discovered vulnerability in PowerVM on IBM Power9 and Power10 systems could allow an attacker with privileged user access to a logical partition to perform an undetected violation of…

Latest

CVE-2026-96266, published 2026-10-12. High severity, CVSS 8.2. EPSS: 0.2% chance of exploitation in the next 30 days. IBM Power Systems Firmware FW1060.00 through FW1060.81 is affected by a vulnerability in host firmware configuration parsing. An attacker with authenticated service-level access to the FSP can write…
CVE-2026-96265, published 2026-10-12. High severity, CVSS 8.2. EPSS: 0.2% chance of exploitation in the next 30 days. IBM Power Systems Firmware FW1060.00 through FW1060.81 is affected by a vulnerability in the service processor mailbox interface. An attacker with authenticated service-level access to the FSP can…
CVE-2026-96264, published 2026-10-12. High severity, CVSS 8.2. EPSS: 0.2% chance of exploitation in the next 30 days. IBM Power Systems Firmware FW1060.00 through FW1060.81 is affected by a vulnerability in the service processor mailbox interface. An attacker with authenticated service-level access to the FSP can…
CVE-2026-96263, published 2026-10-12. High severity, CVSS 8.2. EPSS: 0.2% chance of exploitation in the next 30 days. IBM Power Systems Firmware FW1120.00 through FW1120.01, FW1110.00 through FW1110.31, and FW1060.00 through FW1060.81 is affected by a vulnerability in the host firmware boot process image validation…
CVE-2026-96262, published 2026-10-12. High severity, CVSS 8.2. EPSS: 0.2% chance of exploitation in the next 30 days. IBM Power Systems Firmware FW1060.00 through FW1060.81 is affected by a vulnerability in the service processor mailbox interface. An attacker with authenticated service-level access to the FSP can…
CVE-2026-96261, published 2026-10-12. High severity, CVSS 7.3. EPSS: 0.1% chance of exploitation in the next 30 days. IBM Power Systems Firmware FW1060.00 through FW1060.81 is affected by a vulnerability in host firmware configuration parsing. An attacker with authenticated service-level access to the service…
CVE-2025-36238, published 2026-02-02. Medium severity, CVSS 6.0. EPSS: 0.2% chance of exploitation in the next 30 days. IBM PowerVM Hypervisor FW1110.00 through FW1110.03, FW1060.00 through FW1060.51, and FW950.00 through FW950.F0 could allow a local user with administration privileges to obtain sensitive information…
CVE-2025-36194, published 2026-02-02. Low severity, CVSS 3.3. EPSS: 0.1% chance of exploitation in the next 30 days. IBM PowerVM Hypervisor FW1110.00 through FW1110.03, FW1060.00 through FW1060.51, and FW950.00 through FW950.F0 may expose a limited amount of data to a peer partition in specific shared processor…
CVE-2025-36035, published 2025-09-14. Medium severity, CVSS 5.1. EPSS: 0.1% chance of exploitation in the next 30 days. IBM PowerVM Hypervisor FW950.00 through FW950.E0, FW1050.00 through FW1050.50, and FW1060.00 through FW1060.40 could allow a local privileged user to cause a denial of service by issuing a specially…
CVE-2025-0986, published 2025-03-28. Medium severity, CVSS 4.4. EPSS: 0.1% chance of exploitation in the next 30 days. IBM PowerVM Hypervisor FW1050.00 through FW1050.30 and FW1060.00 through FW1060.20 could allow a local user, under certain Linux processor combability mode configurations, to cause undetected data…