Vulnerability · Published May 13, 2025 · Assigned by microsoft

CVE-2025-30378Microsoft SharePoint Server Remote Code Execution Vulnerability

High 7.0

In plain English

A high-severity unsafe deserialization in Microsoft SharePoint Enterprise Server 2016 from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.4% (higher than 73% of all known vulnerabilities).

Severity (CVSS 3.1)7.0High
Exploit odds (30 days)1.4%top 27.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

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

Affected products (as reported)

VendorProductVersions
Microsoft Microsoft SharePoint Enterprise Server 2016 16.0.0 – before 16.0.5500.1001
Microsoft Microsoft SharePoint Server 2019 16.0.0 – before 16.0.10417.20010
Microsoft Microsoft SharePoint Server Subscription Edition 16.0.0 – before 16.0.18526.20286

Weakness: CWE-502 · Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

References