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CVE-2026-93186: Linux 5.12
CVE-2026-93186 affects azl3 kernel 6.6.157.1-1 on Azure Linux 3.0. CVSS 3.1 base score 5.5 (Microsoft Security Response Center). EPSS 0.00186 (percentile 0.07657), scored 13-Oct-2026.
Affected technology
Linux · 583fa5e71caeb79e04e477e9837e2f7fa53b71e4 to before f5d2bbf0300f46307948864fbb97bce5097f4fe2, 583fa5e71caeb79e04e477e9837e2f7fa53b71e4 to before 31d4841eca7c4b75751ca96d24339e19303337f2, 583fa5e71caeb79e04e477e9837e2f7fa53b71e4 to before b4e11c731d6bee3b87315e055a1ca417c92dc1fc, 583fa5e71caeb79e04e477e9837e2f7fa53b71e4 to before 8a13db9f899d149c3aab24abcb668121cfda5a4f
Linux
Linux · 5.12
Linux
Component: Not specified by the source
File: drivers/cxl/core/mbox.c
Attack conditions (Microsoft Security Response Center, CVSS 3.1): Local · Low 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 6.6.157.1-1 on Azure Linux 3.0
- CCR priority
- 22.0 /100 (P4)
- CVSS 3.1
- 5.5 /10 · CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U · Microsoft Security Response Center
- EPSS
- 0.00186 · percentile 0.07698 · 2026-10-17
- KEV
- no
Provenance
- FIRST EPSS daily exploit-probability · Source record · observed 2026-10-18 12:55:59.341568+00:00 UTC
- Microsoft MSRC Security Update Guide (CVRF) · Source record · observed 2026-10-04 07:08:49.022374+00:00 UTC
- NVD CVE API 2.0 · Source record · observed 2026-10-19 10:33:46.008150+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-93186.html