P4Verified

CVE-2026-89531: azl3 kernel 6.6.152.1-1 on Azure Linux 3.0 (exact versions not specified); +3 more affected products

CVE-2026-89531 affects azl3 kernel 6.6.152.1-1 on Azure Linux 3.0. CVSS 3.1 base score 5.9 (Microsoft Security Response Center). EPSS 0.00168 (percentile 0.05631), scored 13-Oct-2026. Fixed version: 6e21754bbf75075f3fee1cebc79f3417364235ec. Fixed version: 3cf372cec7ab2cd8c6002bf775cc14d90ccb098b. Fixed version: 1f6a14c142fee4778c32709d1d54595c2e2b7991. Fixed version: 0944462247dcb7de7622cdaaadf5f05c52707dab. Fixed version: 6.12.109. Fixed version: 6.18.50. Fixed version: 7.2.4.

Affected technology

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

azl3 kernel 6.6.150.1-1 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): 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 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 6.6.152.1-1 on Azure Linux 3.0
CCR priority: 23.6 /100 (P4)
CVSS 3.1: 5.9 /10 · CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H · Microsoft Security Response Center
EPSS: 0.00168 · percentile 0.05631 · 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-2026-89531.html