Description

Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

Classification

CVE ID: CVE-2025-29793

CVSS Base Severity: HIGH

CVSS Base Score: 7.2

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

Affected Products

Vendor: Microsoft, Microsoft, Microsoft

Product: Microsoft SharePoint Enterprise Server 2016, Microsoft SharePoint Server 2019, Microsoft SharePoint Server Subscription Edition

Exploit Prediction Scoring System (EPSS)

EPSS Score: 1.36% (probability of being exploited)

EPSS Percentile: 79.05% (scored less or equal to compared to others)

EPSS Date: 2025-05-07 (when was this score calculated)

References

https://nvd.nist.gov/vuln/detail/CVE-2025-29793
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-29793

Timeline