CVE-2026-16903

CRITICAL
INFO Priority: 0.04 BB Relevance: 64/100
Published: 2026-08-19 Modified: 2026-10-26 First seen: 2026-10-29 Status: active

Attack Surface

Adjacent Low Complexity No Auth No Interaction Conf. Impact Integ. Impact Scope Change

CVSS Vector Breakdown

AV: Adjacent
AC: Low
PR: None
UI: None
S: Changed
C: High
I: High
A: High

Description

IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to execute arbitrary code or cause a denial of service due to an out-of-bounds write.

Weakness Classification (1)

Affected Software (2)

VendorProductVersion
ibm aix 7.2.5 – 7.2.5.212
ibm vios 4.1.0 – 4.1.0.50

References & Advisories (1)

Bug Bounty Relevance

64 / 100
✓ No authentication
✓ Low complexity
✓ No user interaction

CVSS Score

9.6 / 10.0 v3.1
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

EPSS — Exploitation Probability

0.42%
Raw Score 0.004160
Percentile 35.9%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00416
2026-10-28
0.00416

Intelligence Sources

nvd ref →