Description

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

Classification

CVE ID: CVE-2025-30384

CVSS Base Severity: HIGH

CVSS Base Score: 7.4

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

Affected Products

Vendor: Microsoft

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

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.29% (probability of being exploited)

EPSS Percentile: 51.56% (scored less or equal to compared to others)

EPSS Date: 2025-06-04 (when was this score calculated)

References

https://nvd.nist.gov/vuln/detail/CVE-2025-30384
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-30384

Timeline