Exploited vulnerabilities / CVE-2026-32201
Confirmed exploited · exploited vulnerability · Microsoft SharePoint ServerCVE-2026-32201
Microsoft SharePoint Server exploited vulnerability, confirmed exploited in the wild.
Microsoft SharePoint Server contains an improper input validation vulnerability that allows an unauthorized attacker to perform spoofing over a network.
| CISA's name for it | Microsoft SharePoint Server Improper Input Validation Vulnerability |
|---|---|
| Vendor and product | Microsoft · SharePoint Server |
| Type | exploited vulnerability · CWE-20 |
| Exploited | Confirmed by CISA listed 14 April 2026 |
| Likelihood | one of the most likely to be exploited of every vulnerability tracked |
| Deadline | 28 April 2026 · already passed |
| Used in ransomware | Not reported |
| Advisories | msrc.microsoft.com ↗ · nvd.nist.gov ↗ |
Three steps, in this order
Apply the vendor's fix or mitigation; CISA lists only vulnerabilities seen exploited.
If you cannot patch now, restrict network access to the affected product.
Check for signs of compromise since the date it was added to the list.
| CISA's 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. |
|---|
Know before someone else finds it
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CVE-2026-32201 in short
Is CVE-2026-32201 being exploited?
Yes. CISA added CVE-2026-32201 to its Known Exploited Vulnerabilities catalogue on 14 April 2026, which it does only on evidence of exploitation in the wild.
What is the CISA deadline for CVE-2026-32201?
US federal agencies must remediate it by 28 April 2026. Everyone else should treat that date as the latest safe point to patch an internet-facing system.
How likely is CVE-2026-32201 to be exploited in the next 30 days?
FIRST's Exploit Prediction Scoring System gives it 44%, the 98th percentile of every CVE it scores.
How do I fix CVE-2026-32201?
Apply the vendor's fix or mitigation; CISA lists only vulnerabilities seen exploited. If you cannot patch now, restrict network access to the affected product. Check for signs of compromise since the date it was added to the list.
Other Microsoft vulnerabilities being exploited
| CVE | Product | Type | Listed |
|---|---|---|---|
| CVE-2026-124194 | Office | exploited vulnerability | 10 November 2026 |
| CVE-2026-96951 | Windows | command injection | 13 October 2026 |
| CVE-2026-65660 | SharePoint | exploited vulnerability | 25 September 2026 |
| CVE-2026-81963 | Windows | privilege escalation | 8 September 2026 |
| CVE-2026-85880 | Windows | privilege escalation | 8 September 2026 |
| CVE-2019-1068 | SQL Server | remote code execution | 26 August 2026 |
Sources: CISA Known Exploited Vulnerabilities catalogue (released 10 November 2026) and FIRST EPSS. Page compiled automatically by SAK T.L.M, the threat-intelligence tool of SAK T.E.C, on 13 November 2026.