Sharepoint Server
CVE-2025-30384
HIGH
Severity by source
AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
2DescriptionCVE.org
Deserialization of untrusted data in Microsoft Office SharePoint allows an unauthorized attacker to execute code locally.
AnalysisAI
Deserialization of untrusted data in Microsoft Office SharePoint allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.4), this vulnerability is no authentication required. No vendor patch available.
Technical ContextAI
This vulnerability is classified as Deserialization of Untrusted Data (CWE-502), which allows attackers to execute arbitrary code through malicious serialized objects. Deserialization of untrusted data in Microsoft Office SharePoint allows an unauthorized attacker to execute code locally. Affected products include: Microsoft Sharepoint Server.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Avoid deserializing untrusted data. Use safe serialization formats (JSON). Implement integrity checks and type allowlists.
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External POC / Exploit Code
Leaving vuln.today