Microsoft Office SharePoint
CVE-2026-32201 — Microsoft SharePoint Server Spoofing Vulnerability
Executive Summary
Improper input validation in Microsoft Office SharePoint allows an unauthorized attacker to perform spoofing over a network.
Overview
6.5
CVSS MEDIUM
Important
MS Severity
Exploited
MS Exploit Status
Exploitation Detected
MS Exploit Likelihood
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:F/RL:O/RC:C
ATTACK VECTOR
Network
ATTACK COMPLEXITY
Low
PRIVILEGES REQUIRED
None
USER INTERACTION
None
SCOPE
Unchanged
CONFIDENTIALITY
Low
INTEGRITY
Low
AVAILABILITY
None
EXPLOIT CODE MATURITY
Functional
REMEDIATION LEVEL
Official Fix
REPORT CONFIDENCE
Confirmed
Temporal Score: 6.0
EPSS Score
0.22772
probability of exploitation in the next 30 days
0.97525 percentile - updated 2026-08-14
View on FIRST.org
Affected Products
3 affected products
| Product | KB Article | Severity | Impact | Restart Required |
|---|---|---|---|---|
| Microsoft SharePoint Enterprise Server 2016 | 5002861 (Security Update) |
Important | Spoofing | Maybe |
| Microsoft SharePoint Server 2019 | 5002854 (Security Update) |
Important | Spoofing | Maybe |
| Microsoft SharePoint Server Subscription Edition | 5002853 (Security Update) |
Important | Spoofing | Maybe |
Patches
3 patches
| Article | Type | Restart |
|---|---|---|
5002861 |
Security Update | Maybe |
5002854 |
Security Update | Maybe |
5002853 |
Security Update | Maybe |
Exploits & PoC
1 public PoCUnverified third-party code
Public proof-of-concept repositories aggregated from PoC-in-GitHub. They are not reviewed and may be incomplete, non-functional, or malicious — inspect the code before running anything.
| Repository | Stars | Published | Description |
|---|---|---|---|
| B1tBit/CVE-2026-32201-exploit | 1 | 2026-04-22 | A spoofing vulnerability exists in Microsoft SharePoint Server due to improper input validation. An unauthenticated attacker can send a specially crafted HTTP request to inject malicious JavaScript (r |
Detection Rules
No public Sigma or Nuclei detection rule has been mapped to this CVE yet. Coverage is concentrated on exploited / high-profile vulnerabilities; check SigmaHQ for updates.
Acknowledgments
Microsoft
References
On This Page