What is CVE-2026-31709?

CVE-2026-31709 is a security advisory published by Microsoft Security Response Center (MSRC) with High severity. smb: client: validate the whole DACL before rewriting it in cifsacl

Which CVE IDs does CVE-2026-31709 cover?

CVE-2026-31709 covers the following CVE IDs: CVE-2026-31709. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-31709?

CVE-2026-31709 has a CVSS v3 base score of 8.8, published by Microsoft Security Response Center (MSRC).

CVE-2026-31709HighCVSS 8.8

smb: client: validate the whole DACL before rewriting it in cifsacl

Vendor

Microsoft Security Response Center (MSRC)

Published

May 22, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2026-31709 →