CVE-2026-16827CWE-908

CVE-2026-16827

Medium · published August 20, 2026

CVSS v3.1
5.9
EPSS
0%
Percentile
37.0
In the wild
Unconfirmed
What it is

IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to cause a denial of service due to the use of an uninitialized stack pointer.

The record
Technical detail
CVSS v3.1
5.9 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00437 · 37.0th percentile
Weakness
CWE-908 · Use of Uninitialized Resource
Published
2026-08-20T00:17Z
Affected products (7)
ProductVersionsFixed in
ibm/aix≥ 7.2.5, ≤ 7.2.5.212—
ibm/aix≥ 7.3.2, ≤ 7.3.2.5—
ibm/aix≥ 7.3.3, ≤ 7.3.3.2—
ibm/aix≥ 7.3.4, ≤ 7.3.4.1—
ibm/vios≥ 4.1.0, < 4.1.0.504.1.0.50
ibm/vios≥ 4.1.1.0, < 4.1.1.304.1.1.30
ibm/vios≥ 4.1.2.0, < 4.1.2.204.1.2.20
References (1)
EPSS history
Timeline
  • 19 AUG 19:27Z
    Vulnerabilities in IBM AIX and PowerVM VIOS
    cvelistv5