Skip to content
Fencer Intel
medium 6.5

CVE-2026-32201 kev in the critical feed json

Microsoft SharePoint Server Spoofing Vulnerability

published 6mo ago modified 14d ago also EUVD-2026-22587

cvss
6.5
version 3.1, CNA
cisa kev
Exploited
added 2026-04-14
epss
43.4%
EPSS 43.4% chance of exploitation in 30 days, percentile 98%
public exploits
0
none known

Summary

Improper input validation in Microsoft Office SharePoint allows an unauthorized attacker to perform spoofing over a network.

Patch / fix

cisa required action Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

  • Microsoft Microsoft SharePoint Enterprise Server 2016 16.0.5548.1003
  • Microsoft Microsoft SharePoint Server 2019 16.0.10417.20114
  • Microsoft Microsoft SharePoint Server Subscription Edition 16.0.19725.20210

Is CVE-2026-32201 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

Timeline

  1. CISA SSVC: exploitation active
  2. 0-day patched (Project Zero)
  3. Added to CISA KEV
  4. Published
  5. CISA patch deadline

Known exploited

Added
6mo ago
Patch by
2026-04-28 (6mo ago)
Ransomware
Not known
Required action
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Vendor, product
Microsoft, SharePoint Server
CISA name
Microsoft SharePoint Server Improper Input Validation Vulnerability

Zero-day

Detected in real attacks while still unknown to the vendor and the public, per Google Project Zero's 0day In-the-Wild tracker.

Patched
2026-04-12
Details
project zero tracker

CISA SSVC

Exploitation
Active, exploited in the wild
Automatable
yes
Technical impact
partial
Assessed
7mo ago

Exploit prediction

43.38% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.1 6.5 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
CNA 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
NVD 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Affected products

  • Microsoft Microsoft SharePoint Enterprise Server 2016
  • Microsoft Microsoft SharePoint Server 2019
  • Microsoft Microsoft SharePoint Server Subscription Edition

Classification

Weakness
  • CWE-20 Improper Input Validation

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.