Medium severity6.5CISA KEVNVD Advisory· Published Apr 14, 2026· Updated Jun 17, 2026
CVE-2026-32201
CVE-2026-32201
Description
Improper input validation in Microsoft Office SharePoint allows an unauthorized attacker to perform spoofing over a network.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
4cpe:2.3:a:microsoft:sharepoint_server:*:*:*:*:subscription:*:*:*+ 2 more
- cpe:2.3:a:microsoft:sharepoint_server:*:*:*:*:subscription:*:*:*range: <16.0.19725.20210
- cpe:2.3:a:microsoft:sharepoint_server:2016:*:*:*:enterprise:*:*:*
- cpe:2.3:a:microsoft:sharepoint_server:2019:*:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
2- msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32201nvdVendor Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalognvdThird Party AdvisoryUS Government Resource
News mentions
17- Critical SharePoint RCE CVE-2026-50522 Under Active Exploitation After Public PoCThe Hacker News · Jul 21, 2026
- Microsoft SharePoint Vulnerabilities Actively Exploited for RCE, Web Shells, and IIS Key TheftCyber Security News · Jul 20, 2026
- Breach Roundup: Extortionists Annoyed by Waning RansomwareGovInfoSecurity · Jul 17, 2026
- CISA Adds Exploited SharePoint RCE Zero-Day CVE-2026-58644 to KEVThe Hacker News · Jul 17, 2026
- CVE-2026-32201, CVE-2026-45659, CVE-2026-56164: Frequently Asked Questions About Active Exploitation of Microsoft SharePoint Server VulnerabilitiesTenable Blog · Jul 16, 2026
- CISA sounds alarm over trio of exploited SharePoint flawsThe Register Security · Jul 15, 2026
- CISA Urges Immediate Patching of Exploited SharePoint VulnerabilitiesSecurityWeek · Jul 15, 2026
- Researcher Drops New Windows Zero-Day PoC Hours After Microsoft Patch TuesdayThe Hacker News · Jul 15, 2026
- AI-driven bug hunting fuels record Microsoft Patch TuesdayHelp Net Security · Jul 15, 2026
- CISA warns admins to patch actively exploited SharePoint flawsBleepingComputer · Jul 15, 2026
- Microsoft Patches SharePoint RCE Flaw CVE-2026-45659 Across Server VersionsThe Hacker News · May 26, 2026
- Mystery Microsoft bug leaker keeps the zero-days comingThe Register Security · May 13, 2026
- Microsoft Fixes Two Zero-Days in April Patch TuesdayInfosecurity Magazine · Apr 15, 2026
- Patch Tuesday - April 2026Rapid7 Blog · Apr 14, 2026
- Patch Tuesday, April 2026 EditionKrebs on Security · Apr 14, 2026
- Microsoft Patch Tuesday for April 2026 - Snort Rule and Prominent VulnerabilitiesCisco Talos Intelligence · Apr 14, 2026
- CISA Urges SharePoint Hardening After New ExploitationsCISA Alerts