Medium severity5.3NVD Advisory· Published Nov 10, 2026· Updated Nov 10, 2026

CVE-2026-105590

Description

Improper certificate validation in Windows Active Directory Certificate Services allows an authorized attacker to bypass a security feature over a network.

Affected products

Microsoft/Active Directory Certificate Servicesllm-fuzzy

Patches

Vulnerability mechanics

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-105590nvd

News mentions

Microsoft November 2026 Patch Tuesday Fixes 1,093 Vulnerabilities, Including Outlook Zero-Day
Cyber Security News · Nov 10, 2026

cvss	0.345
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000