CVE-2025-29793
HIGHCVSS Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
2Description
Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
Analysis
Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network. Rated high severity (CVSS 7.2), this vulnerability is remotely exploitable, low attack complexity. Epss exploitation probability 21.9% and 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 authorized attacker to execute code over a network. Affected products include: Microsoft Sharepoint Enterprise Server, Microsoft Sharepoint Server.
Affected Products
Microsoft Sharepoint Enterprise Server, 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
Share
External POC / Exploit Code
Leaving vuln.today