CVE-2026-32201 · netVigilance record NV26-0084
Microsoft SharePoint Server Improper Input Validation
past due
What to do
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
CISA deadline 2026-04-28 · passed 4 months ago · applies to US federal civilian agencies; used elsewhere as a reference SLA
What happened
Microsoft SharePoint Server contains an improper input validation vulnerability that allows an unauthorized attacker to perform spoofing over a network.
Who is affected
Microsoft SharePoint Server. Affected version ranges are listed in the vendor advisory and the NVD entry linked under Sources.
Weakness class: CWE-20.
Timeline
- Added to CISA KEVExploitation in the wild confirmed by CISA
- CISA remediation deadlinepassed 4 months ago
Sources
- NVD entry for CVE-2026-32201 nvd.nist.gov/vuln/detail/CVE-2026-32201
- CISA Known Exploited Vulnerabilities catalog www.cisa.gov/known-exploited-vulnerabilities-catalog
- msrc.microsoft.com msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2026-32201
- nvd.nist.gov nvd.nist.gov/vuln/detail/CVE-2026-32201