CVE-2025-54897

CWE-502 — Deserialization of Untrusted Data4 documents4 sources
Severity
8.8HIGH
EPSS
8.5%
top 7.62%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
Microsoft Microsoft Sharepoint Enterprise Server 2016Microsoft Microsoft Sharepoint Server 2019Microsoft Microsoft Sharepoint Server Subscription Edition+1 more
Timeline
PublishedSep 9

Description

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

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 2.8 | Impact: 5.9

Affected Packages4 packages

▶NVDmicrosoft/sharepoint_server< 16.0.19127.20100+2
▶CVEListV5microsoft/microsoft_sharepoint_server_201916.0.0 — 16.0.10417.20047
▶CVEListV5microsoft/microsoft_sharepoint_enterprise_server_201616.0.0 — 16.0.5517.1000
▶CVEListV5microsoft/microsoft_sharepoint_server_subscription_edition16.0.0 — 16.0.19127.20100

🔴Vulnerability Details

2
CVEList
Microsoft SharePoint Remote Code Execution Vulnerability↗2025-09-09
▶
GHSA
GHSA-rvp7-398f-7v5c: Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network↗2025-09-09
▶

📋Vendor Advisories

1
Microsoft
Microsoft SharePoint Remote Code Execution Vulnerability↗2025-09-09
▶