Security October 2026 CVE-2026-93521
Severity Important
CVSS base score 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Impact Not stated
EPSS · 30-day forecast No EPSS score collected
Public detection template No Nuclei template is listed in the current collected catalog
Exploitation detected Unknown: not stated by MSRC
Exploitability Not assessed
Publicly disclosed Unknown: not stated by MSRC
Customer action Required: follow the MSRC remediation guidance
Component Mariner
Weakness CWE-122: Heap-based Buffer Overflow
Issued by suse
Last revised 30 Oct 2026 CVSS 3.1 base metrics Red raises the risk · green lowers it
Attack vector LocalAV:L
Attack complexity LowAC:L
Privileges required LowPR:L
User interaction NoneUI:N
Scope UnchangedS:U
Confidentiality HighC:H
Integrity HighI:H
Availability HighA:H
0 KBs No KB listed No KB update is listed in the collected MSRC record. Check the MSRC advisory for product releases and other remedies.
Open Source Software
1 affected product
azl3 wayland 1.22.0-1 on Azure Linux 3.0 Source. This summary comes from MSRC's public CVRF document for October 2026. If the MSRC page is blocked in your browser, the NVD and CVE.org records carry the same identifier. None of this says whether your devices are affected.
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Explore global source statements, affected packages and advisory history for CVE-2026-93521 . The catalog has a separate collection scope from Microsoft release records.