CVE-2025-30384
HIGHCVSS Vector
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
2Description
Deserialization of untrusted data in Microsoft Office SharePoint allows an unauthorized attacker to execute code locally.
Analysis
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 Context
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.
Affected Products
Microsoft Sharepoint Server.
Remediation
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.
Priority Score
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External POC / Exploit Code
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