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CVE-2026-16922: ibm aix

CVSS: 7.0v3.1HighAnalyzed
Published 20-08-2026Last modified 21-08-2026
Open JSON

Vulnerability summary

CVE-2026-16922 is a high (CVSS 7.0) vulnerability in ibm aix. EPSS estimates a 0.10% chance of exploitation in the next 30 days, higher than 0.9% of scored vulnerabilities.

Overall risk
28/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.0/10
010
High · v3.1 (CVE.org)
EPSS score
0.10%
0%100%
Low · +0.03 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 20-08-2026
    PublishedVulnerability first disclosed.
  2. 21-08-2026
    Last modifiedVulnerability information updated.

Description

IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a local attacker to execute arbitrary code due to a time-of-check to time-of-use (TOCTOU) race condition.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.10%

Chance of exploitation in the next 30 days

Percentile

1%

Versus all other CVEs

30-day change

+0.03 pp

From 0.08% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.10%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Ibm3 products
  • aix7.2 | 7.3 | ≥ 7.2.5, ≤ 7.2.5.212 | ≥ 7.3.2, ≤ 7.3.2.5 | ≥ 7.3.3, ≤ 7.3.3.2 | ≥ 7.3.4, ≤ 7.3.4.1
  • powervm vios4.1
  • vios≥ 4.1.0, < 4.1.0.50 | ≥ 4.1.1.0, < 4.1.1.30 | ≥ 4.1.2.0, < 4.1.2.20

1 vendor · 3 products

References

1 links