What is CVE-2026-43185?

CVE-2026-43185 is a security advisory published by Microsoft Security Response Center (MSRC) with Medium severity. ksmbd: fix signededness bug in smb_direct_prepare_negotiation()

Which CVE IDs does CVE-2026-43185 cover?

CVE-2026-43185 covers the following CVE IDs: CVE-2026-43185. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-43185?

CVE-2026-43185 has a CVSS v3 base score of 5.5, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2026-43185?

CVE-2026-43185 affects 2 products, including: azl3 kernel 6.6.137.1-2 on Azure Linux 3.0; azl3 kernel 6.6.138.1-1 on Azure Linux 3.0.

CVE-2026-43185MediumCVSS 5.5

ksmbd: fix signededness bug in smb_direct_prepare_negotiation()

Vendor

Microsoft Security Response Center (MSRC)

Published

May 22, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2026-43185 →

🎯 Affected products2

azl3 kernel 6.6.137.1-2 on Azure Linux 3.0
azl3 kernel 6.6.138.1-1 on Azure Linux 3.0

🔗 References (1)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-43185