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CVE-2026-17414— Power System Improper Input Validation

Quick assessment

Affected
IBM PowerVM Hypervisor
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

IBM powervm hypervisor是美国IBM公司的一款企业级虚拟化管理程序。 IBM PowerVM Hypervisor FW1120.00版本、FW1110.00版本至FW1110.30版本、FW1060.00版本至FW1060.80版本和FW950.00版本至FW950.H2版本存在输入验证错误漏洞，该漏洞源于网络启动期间分区固件存在缺陷，可能导致未经验证的攻击者阻止分区完成启动序列，并可能替换引导镜像，从而破坏后续加载的内容，造成机密性、完整性和可用性影响。

CVSS 8.1 · High EPSS 0.18% · P8

Affected Version Matrix 4

VendorProduct Version RangeStatus
IBM PowerVM Hypervisor FW1120.00 affected
FW1110.00≤ FW1110.30 affected
FW1060.00≤ FW1060.80 affected
FW950.00≤ FW950.H2 affected
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I. Basic Information for CVE-2026-17414

Vulnerability Information
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Vulnerability Title
Power System Improper Input Validation
Source: CVE Program / CVE List V5
Vulnerability Description
IBM PowerVM Hypervisor FW1120.00, FW1110.00 through FW1110.30, FW1060.00 through FW1060.80, and FW950.00 through FW950.H2 Power Systems Firmware is affected by a vulnerability in partition firmware during network boot. An unauthenticated attacker with access to the same network as a partition performing a network boot can prevent that partition from completing its boot sequence. On partitions where OS secure boot is not enabled, which is the default configuration, the attacker can also substitute the boot image, compromising everything subsequently loaded by that partition. Other partitions and the managed system are not affected. Only partitions actively performing a network boot are affected, resulting in a confidentiality, integrity, and availability impact.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
IBM PowerVM Hypervisor 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
IBM powervm hypervisor是美国IBM公司的一款企业级虚拟化管理程序。 IBM PowerVM Hypervisor FW1120.00版本、FW1110.00版本至FW1110.30版本、FW1060.00版本至FW1060.80版本和FW950.00版本至FW950.H2版本存在输入验证错误漏洞，该漏洞源于网络启动期间分区固件存在缺陷，可能导致未经验证的攻击者阻止分区完成启动序列，并可能替换引导镜像，从而破坏后续加载的内容，造成机密性、完整性和可用性影响。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
IBM PowerVM Hypervisor FW1120.00 cpe:2.3:o:ibm:power_systems_firmware:fw1120.00:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-17414

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III. Intelligence Information for CVE-2026-17414

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Vendor Advisories for CVE-2026-17414 (1)

Same Patch Batch · IBM · 2026-08-19 · 107 CVEs total

CVE-2026-15068 9.9 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-16816 9.9 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-16919 9.8 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-16894 9.8 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-16845 9.8 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-16656 9.8 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-16872 9.8 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-16882 9.8 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-16917 9.8 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-16840 9.8 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-16913 9.8 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-16864 9.8 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-16862 9.8 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-16834 9.8 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-16885 9.8 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-16835 9.6 CRITICAL Power System Improper Certificate Validation
CVE-2026-16687 9.6 CRITICAL Power System Buffer Overflow
CVE-2026-16903 9.6 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-16839 9.4 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-16822 9.3 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS

Showing top 20 of 107 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: PowerVM Hypervisor
Same vendor: IBM
Same weakness: CWE-20

V. Comments for CVE-2026-17414

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