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CVE-2026-16703— 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是美国IBM公司的一款企业级Unix操作系统。 IBM AIX 7.2版本和7.3版本以及IBM PowerVM VIOS 4.1版本存在权限许可和访问控制问题漏洞，该漏洞源于权限管理不当，可能导致本地攻击者获得提升的特权。

CVSS 7.8 · High EPSS 0.14% · P4

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation

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-2026-16703

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 local attacker to gain elevated privileges due to improper privilege management.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
特权管理不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
IBM AIX 权限许可和访问控制问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
IBM aix是美国IBM公司的一款企业级Unix操作系统。 IBM AIX 7.2版本和7.3版本以及IBM PowerVM VIOS 4.1版本存在权限许可和访问控制问题漏洞，该漏洞源于权限管理不当，可能导致本地攻击者获得提升的特权。
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 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-2026-16703

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III. Intelligence Information for CVE-2026-16703

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Other References for CVE-2026-16703 (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-2026-16862 9.8 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-16919 9.8 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-16917 9.8 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-16656 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-2026-16834 9.8 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-16845 9.8 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-16872 9.8 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-16894 9.8 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-16885 9.8 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-16882 9.8 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-16840 9.8 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-16687 9.6 CRITICAL Power System Buffer Overflow
CVE-2026-16903 9.6 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-16835 9.6 CRITICAL Power System Improper Certificate Validation
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: AIX
Same vendor: IBM
Same weakness: CWE-269

V. Comments for CVE-2026-16703

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