PatchTheCVECVE-2026-32201: Microsoft SharePoint Server Improper Input Validation Vulnerability
CVE-2026-32201 is a medium-severity flaw (CVSS 6.5) affecting sharepoint server, reported as exploited in the wild. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Improper input validation in Microsoft Office SharePoint allows an unauthorized attacker to perform spoofing over a network.
Why this priority
- EPSS top 1%: very likely to be exploited
- Exploited in the wild (CISA KEV)
- Remotely exploitable, no login, no user action
- On your watchlist
A fixed release or distro patch exists.
Risk facts
| CVSS score | 6.5 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 43.4% (top 1%) |
| CISA exploited list | Yes, fix due 2026-04-28 |
| Weakness | CWE-20 |
| Published | 2026-04-14 |
| Last modified | 2026-10-26 |
Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Exploited Added to the CISA Known Exploited Vulnerabilities list
- Published CVE record published
- Deadline CISA due date for US federal agencies to patch
- Updated Record last modified
Public exploits and detection
Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.
- GitHub PoC: B1tBit/CVE-2026-32201-exploit (1 stars)
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-32201?
sharepoint server: upgrade to 16.0.19725.20210. Exact commands for each OS are on this page.
Is CVE-2026-32201 being exploited?
Yes. CVE-2026-32201 is on the CISA Known Exploited Vulnerabilities list, so treat it as patch-now.
What does CVE-2026-32201 affect?
CVE-2026-32201 affects sharepoint server. Severity is medium (CVSS 6.5). Improper input validation in Microsoft Office SharePoint allows an unauthorized attacker to perform spoofing over a network.
How urgent is CVE-2026-32201?
Priority 82/100. EPSS top 1%: very likely to be exploited; Exploited in the wild (CISA KEV); Remotely exploitable, no login, no user action; On your watchlist
Software pages
SharePoint vulnerabilities · Microsoft Office vulnerabilities
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