P5Verified

CVE-2026-89539: azl3 kernel 6.6.150.1-1 on Azure Linux 3.0 (exact versions not specified); +3 more affected products

CVE-2026-89539 affects azl3 kernel 6.6.150.1-1 on Azure Linux 3.0. CVSS 3.1 base score 4.4 (Microsoft Security Response Center). EPSS 0.00168 (percentile 0.0563), scored 13-Oct-2026. Fixed version: f615b884310bf82d0014e3b5a92eb9aa88146685. Fixed version: 7a1d0501cbb962beba23377035d667bf3c1726ee. Fixed version: 9d94f046b23de0f77849ea69133063c949297e30. Fixed version: 2e4ce62385c1b8a887c5370af058ac7b52a8eaf9. Fixed version: 6.12.109. Fixed version: 6.18.50. Fixed version: 7.2.4.

Affected technology

azl3 kernel 6.6.150.1-1 on Azure Linux 3.0 · Exact affected versions not specified by the source
Microsoft

azl3 kernel 6.6.152.1-1 on Azure Linux 3.0 · Exact affected versions not specified by the source
Microsoft

azl3 kernel 6.6.157.1-1 on Azure Linux 3.0 · Exact affected versions not specified by the source
Microsoft

Kernel · 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): Local · High privileges required · No user interaction required

What an attacker can do

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

Published 15-Oct-2026 00:54 UTC

Product: azl3 kernel 6.6.150.1-1 on Azure Linux 3.0
CCR priority: 17.6 /100 (P5)
CVSS 3.1: 4.4 /10 · CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H · Microsoft Security Response Center
EPSS: 0.00168 · percentile 0.0563 · 2026-10-13
KEV: no

Provenance

FIRST EPSS daily exploit-probability · Source record · observed 2026-10-14 05:24:14.258005+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 2026-10-14 16:28:58.499616+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-89539.html