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Vulnerability details

CVE-2026-16686

IBM AIXIBM PowerVM VIOS

Vulnerabilities in IBM AIX and PowerVM VIOS

CVSS 3.1
8.2High

Official description

IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to access NFS-exported filesystems due to improper authentication.

CVSS scores

ScoreVersionSourceVector
8.2High 3.1 CVEProject cvelistV5 (CNA) (ibm) CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

Affected products

VendorProductVersionsSource
IBM AIX 7.2 CVEProject cvelistV5 (CNA)
IBM AIX 7.3 CVEProject cvelistV5 (CNA)
IBM PowerVM VIOS 4.1 CVEProject cvelistV5 (CNA)

References and advisories

1
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Details

Published
2026-08-19
Last updated
2026-08-20
State
Published
Assigner (CNA)
ibm

Exploit prediction (EPSS)

0.5%
Probability of exploitation in 30 days
43.2%
Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable
Yes
Exploitation
None
Technical impact
Partial

Weaknesses (CWE)

  • CWE-287
    Improper Authentication