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CVE-2026-16926— Vulnerabilities in IBM AIX and PowerVM VIOS

Quick assessment

Affected
IBM AIX
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 AIX 7.2 和 7.3 以及 IBM PowerVM VIOS 4.1 存在安全漏洞，攻击者可通过远程方式利用该漏洞写入任意文件。此问题源于系统在输入处理过程中未能正确特殊元素（如特殊字符或控制序列）的中和处理，导致恶意输入被错误解析并用于文件写入操作。

CVSS 9.1 · Critical EPSS 0.56% · P44

Affected Version Matrix 3

VendorProduct Version RangeStatus
IBM AIX 7.2 affected
7.3 affected
IBM PowerVM VIOS 4.1 affected
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I. Basic Information for CVE-2026-16926

Vulnerability Information
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Vulnerability Title
Vulnerabilities in IBM AIX and PowerVM VIOS
Source: CVE Program / CVE List V5
Vulnerability Description
IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to overwrite arbitrary files due to improper neutralization of special elements in input.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
文件名或路径的外部可控制
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
IBM AIX 7.2 cpe:2.3:a:ibm:aix:7.2:*:*:*:*:*:*:*
IBM PowerVM VIOS 4.1 cpe:2.3:a:ibm:powervm_vios:4.1:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-16926

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III. Intelligence Information for CVE-2026-16926

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Other References for CVE-2026-16926 (1)

Same Patch Batch · IBM · 2026-08-20 · 75 CVEs total

CVE-2026-18835 9.9 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-17152 9.8 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-17040 9.8 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-17118 9.8 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-17160 9.8 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-17122 9.8 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-17136 9.8 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-17141 9.8 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-17145 9.8 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-17157 9.8 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-17142 9.8 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-17422 9.3 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-17436 8.8 HIGH Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-16936 8.8 HIGH Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-16932 8.8 HIGH Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-18832 8.8 HIGH Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-19449 8.8 HIGH Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-16996 8.8 HIGH Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-16934 8.8 HIGH Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-17168 8.5 HIGH Vulnerabilities in IBM AIX and PowerVM VIOS

Showing top 20 of 75 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: AIX
Same vendor: IBM
Same weakness: CWE-73

V. Comments for CVE-2026-16926

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