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CVE-2026-85091: azl3 kata-containers 4.1.0.kata0-1 on Azure Linux 3.0 (exact versions not specified); +5 more affected products
CVE-2026-85091 affects azl3 kata-containers 4.1.0.kata0-1 on Azure Linux 3.0. CVSS 3.1 base score 7.4 (Microsoft Security Response Center). EPSS 0.00356 (percentile 0.28061), scored 22-Oct-2026. Fixed version: 1:1.3.dfsg-3.1ubuntu2.3. Fixed version: 1:1.3.dfsg+really1.3.2-3ubuntu1.1. Fixed version: 1:1.3.dfsg+really1.3.1-1ubuntu3.2.
Affected technology
azl3 kata-containers 4.1.0.kata0-1 on Azure Linux 3.0 · Exact affected versions not specified by the source
Microsoft
azl3 zlib 1.3.2-1 on Azure Linux 3.0 · Exact affected versions not specified by the source
Microsoft
azl3 cloud-hypervisor 52.0.152-1 on Azure Linux 3.0 · Exact affected versions not specified by the source
Microsoft
azl3 kata-containers 3.32.0.kata0-2 on Azure Linux 3.0 · Exact affected versions not specified by the source
Microsoft
azl3 kata-containers 3.32.0.kata0-5 on Azure Linux 3.0 · Exact affected versions not specified by the source
Microsoft
zlib · Exact affected versions not specified by the source
Vendor not specified by the source
zlib · Exact affected versions not specified by the source
Vendor not specified by the source
zlib · 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 none; integrity and availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.
- Product
- azl3 kata-containers 4.1.0.kata0-1 on Azure Linux 3.0
- CCR priority
- 29.7 /100 (P4)
- CVSS 3.1
- 7.4 /10 · CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H · Microsoft Security Response Center
- EPSS
- 0.00356 · percentile 0.28061 · 2026-10-22
- KEV
- no
Provenance
- FIRST EPSS daily exploit-probability · Source record · observed 2026-10-23 06:11:59.600832+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 2026-10-04 13:35:46.972631+00:00 UTC
- OSV.dev · Source record · observed 2026-10-23 07:49:27.727257+00:00 UTC
- OSV.dev · Source record · observed 2026-10-23 07:49:27.727257+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-85091.html