CVE-2026-16996

HIGH
MEDIUM Priority: 0.01 BB Relevance: 43/100
Published: 2026-08-20 Modified: 2026-10-27 First seen: 2026-10-29 Status: active

Attack Surface

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

CVSS Vector Breakdown

AV: Local
AC: Low
PR: Low
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 local attacker to execute arbitrary code due to an integer underflow.

Weakness Classification (2)

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

43 / 100
✓ Low complexity
✓ No user interaction

CVSS Score

8.8 / 10.0 v3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

EPSS — Exploitation Probability

0.17%
Raw Score 0.001670
Percentile 5.9%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00167
2026-10-28
0.00167

Intelligence Sources

nvd ref →