SMB: Microsoft Windows SMB Server SPN Handling Privilege Escalation
This signature detects attempts to exploit a known vulnerability against Microsoft . A successful attack can lead to elevation of privilege and arbitrary code execution.
References
CVE: CVE-2025-58726
Short Name
SMB:MS-WIN-SPN-HNDLNG
Severity
Major
Recommended
True
Recommended Action
None
Category
SMB
Keywords
CVE-2025-58726 Escalation Handling Microsoft Privilege SMB SPN Server Windows
Release Date
03/30/2026
Supported Platforms
srx-branch-12.3
srx-19.3
srx-branch-19.3
vsrx3bsd-19.2
srx-branch-19.4
vsrx-19.4
mx-12.3
mx-19.4
vmx-19.4
mx-19.3
vsrx3bsd-19.4
srx-19.4
vsrx-12.3
vmx-19.3
srxevo-25.4
vsrx-19.2
srx-12.3
Sigpack Version
3895
False Positive
Unknown