What is CVE-2026-43490?

CVE-2026-43490 is a security advisory published by Microsoft Security Response Center (MSRC). ksmbd: validate inherited ACE SID length

Which CVE IDs does CVE-2026-43490 cover?

CVE-2026-43490 covers the following CVE IDs: CVE-2026-43490. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

CVE-2026-43490 has a CVSS v3 base score of 8.8, published by Microsoft Security Response Center (MSRC).

CVE-2026-43490CVSS 8.8

Vendor

Published

May 22, 2026

Last Modified

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