Security November 2026 CVE-2026-123581
Severity Moderate
CVSS base score 5.3
Impact Not stated
Exploitation detected Unknown: not stated by MSRC
Exploitability Not assessed
Publicly disclosed Unknown: not stated by MSRC
EPSS · 30-day forecast No EPSS score collected
Customer action Required: follow the MSRC remediation guidance More details
CVSS vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Public detection template No Nuclei template is listed in the current collected catalog
Component Mariner
Weakness CWE-345: Insufficient Verification of Data Authenticity
Issued by VulnCheck
Last revised 11 Nov 2026 CVSS 3.1 base metrics Red raises the risk · green lowers it
Attack vector NetworkAV:N
Attack complexity LowAC:L
Privileges required NonePR:N
User interaction NoneUI:N
Scope UnchangedS:U
Confidentiality NoneC:N
Integrity LowI:L
Availability NoneA:N
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 netavark 1.10.3-9 on Azure Linux 3.0 Source. This summary comes from MSRC's public CVRF document for November 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-2026-123581 . The catalog has a separate collection scope from Microsoft release records.
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