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HIGH · 7.0

CVE-2025-30378

Deserialization of untrusted data in Microsoft Office SharePoint allows an unauthorized attacker to execute code locally.

Vulnerability Description

Deserialization of untrusted data in Microsoft Office SharePoint allows an unauthorized attacker to execute code locally.

CVSS Score

7.0

HIGH

CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
MicrosoftSharepoint Server< 16.0.18526.20286

Related Weaknesses (CWE)

CWE-502

References

FAQ

What is CVE-2025-30378?

CVE-2025-30378 is a vulnerability with a CVSS score of 7.0 (HIGH). Deserialization of untrusted data in Microsoft Office SharePoint allows an unauthorized attacker to execute code locally.

How severe is CVE-2025-30378?

CVE-2025-30378 has been rated HIGH with a CVSS base score of 7.0/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-30378?

Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Sharepoint Server.