CVE-2026-88831: azl3 busybox 1.36.1-27 on Azure Linux 3.0 (exact versions not specified); +1 more affected products

CVE-2026-88831 affects azl3 busybox 1.36.1-27 on Azure Linux 3.0. CVSS 3.1 base score 5.3 (Microsoft Security Response Center). EPSS 0.00236 (percentile 0.13781), scored 21-Oct-2026. Fixed version: 1.35.0-r42. Fixed version: 1.37.0-r29. Fixed version: 1.38.0-r6. Fixed version: 1.35.0-r42. Fixed version: 1.37.0-r29. Fixed version: 1.38.0-r6.

Affected technology

azl3 busybox 1.36.1-27 on Azure Linux 3.0 · Exact affected versions not specified by the source
Microsoft

busybox · Exact affected versions not specified by the source
Vendor not specified by the source

Component: Not specified by the source

Attack conditions (Microsoft Security Response Center, CVSS 3.1): Network (remote) · No privileges required · No user interaction required

What an attacker can do

Microsoft Security Response Center’s CVSS 3.1 assessment rates confidentiality impact as low; integrity and availability impact as none. The description does not specify what an attacker can achieve beyond these rated impacts.

Published 22-Oct-2026 20:42 UTC

Product: azl3 busybox 1.36.1-27 on Azure Linux 3.0
CCR priority: 21.3 /100 (P4)
CVSS 3.1: 5.3 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N · Microsoft Security Response Center
EPSS: 0.00236 · percentile 0.13781 · 2026-10-21
KEV: no

Provenance

FIRST EPSS daily exploit-probability · Source record · observed 2026-10-22 01:10:55.718059+00:00 UTC
Microsoft MSRC Security Update Guide (CVRF) · Source record · observed 2026-10-04 07:08:49.022374+00:00 UTC
OSV.dev · Source record · observed 2026-10-22 12:21:37.944032+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-88831.html