What is CVE-2025-21844?

CVE-2025-21844 is a security advisory published by Microsoft Security Response Center (MSRC) with Medium severity. smb: client: Add check for next_buffer in receive_encrypted_standard()

Which CVE IDs does CVE-2025-21844 cover?

CVE-2025-21844 covers the following CVE IDs: CVE-2025-21844. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2025-21844?

CVE-2025-21844 has a CVSS v3 base score of 5.5, published by Microsoft Security Response Center (MSRC).

CVE-2025-21844MediumCVSS 5.5

smb: client: Add check for next_buffer in receive_encrypted_standard()

Vendor

Microsoft Security Response Center (MSRC)

Published

July 11, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2025-21844 →