What is CVE-2026-52996?

CVE-2026-52996 is a security advisory published by Microsoft Security Response Center (MSRC) with Medium severity. ksmbd: fix durable fd leak on ClientGUID mismatch in durable v2 open

Which CVE IDs does CVE-2026-52996 cover?

CVE-2026-52996 covers the following CVE IDs: CVE-2026-52996. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-52996?

CVE-2026-52996 has a CVSS v3 base score of 7.1, published by Microsoft Security Response Center (MSRC).

CVE-2026-52996MediumCVSS 7.1

ksmbd: fix durable fd leak on ClientGUID mismatch in durable v2 open

Vendor

Microsoft Security Response Center (MSRC)

Published

June 30, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2026-52996 →