Microsoft Office SharePoint
CVE-2025-21400 — Microsoft SharePoint Server Remote Code Execution Vulnerability
Executive Summary
None
Overview
8
CVSS HIGH
Important
MS Severity
Not Exploited
MS Exploit Status
More Likely
MS Exploit Likelihood
CVSS Vector
ATTACK VECTOR
Network
ATTACK COMPLEXITY
Low
PRIVILEGES REQUIRED
Low
USER INTERACTION
Required
SCOPE
Unchanged
Temporal Score: 7.0
EPSS Score
0.29778
probability of exploitation in the next 30 days
0.97957 percentile - updated 2026-06-20
View on FIRST.org
Affected Products
3 affected products
| Product | KB Article | Severity | Impact | Restart Required |
|---|---|---|---|---|
| Microsoft SharePoint Enterprise Server 2016 | 5002685 (Security Update) |
Important | Remote Code Execution | Maybe |
| Microsoft SharePoint Server 2019 | 5002678 (Security Update) |
Important | Remote Code Execution | Maybe |
| Microsoft SharePoint Server Subscription Edition | 5002681 (Security Update) |
Important | Remote Code Execution | Maybe |
Patches
3 patches
| Article | Type | Restart |
|---|---|---|
5002685 |
Security Update | Maybe |
5002678 |
Security Update | Maybe |
5002681 |
Security Update | Maybe |
Known Exploits
No known exploits have been linked for this CVE yet. When available, exploit references will be sourced from public repositories and may be unverified, incomplete, or non-functional. Always review code carefully before use in any environment.
Acknowledgments
cjm00n with Cyber Kunlun & Zhiniang Peng
References
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