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CVE-2026-89540: azl3 kernel 6.6.150.1-1 on Azure Linux 3.0 (exact versions not specified); +2 more affected products
CVE-2026-89540 affects azl3 kernel 6.6.150.1-1 on Azure Linux 3.0. CVSS 3.1 base score 4.1 (Microsoft Security Response Center). EPSS 0.00129 (percentile 0.02251), scored 13-Oct-2026. Fixed version: 159a4fab7170badd6c4a553aef81cac079d6f4ee. Fixed version: b3526ae3351968f6726bcbe25d8d09973ad79109. Fixed version: 7f5bcdc8da15077ebe846c2756a5a17741021410. Fixed version: 89c8e0733e8c46b7973503f15b1b31a8587d8030. Fixed version: f15b87521168c2a92cb1931f532cba422f856f01. Fixed version: edeefb111d6181a4aa278f415b005efe284b9489. Fixed version: 3f019571928b269feebcff59926ec13294215e0e.
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
Kernel · Exact affected versions not specified by the source
Vendor not specified by the source
Kernel · Exact affected versions not specified by the source
Vendor not specified by the source
Kernel · Exact affected versions not specified by the source
Vendor not specified by the source
Kernel · Exact affected versions not specified by the source
Vendor not specified by the source
Kernel · Exact affected versions not specified by the source
Vendor not specified by the source
Kernel · Exact affected versions not specified by the source
Vendor not specified by the source
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.
- Product
- azl3 kernel 6.6.150.1-1 on Azure Linux 3.0
- CCR priority
- 16.4 /100 (P5)
- CVSS 3.1
- 4.1 /10 · CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H · Microsoft Security Response Center
- EPSS
- 0.00129 · percentile 0.02251 · 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-2026-89540.html