This report was translated by AI; nobody has reviewed the translation yet. Original language: Czech.
[TLP:CLEAR] Microsoft SharePoint Server fixes an actively exploited vulnerability
Microsoft fixes an actively exploited vulnerability in SharePoint Server [1][2]. Product fixes (build number): Microsoft SharePoint Server Subscription Edition - 16.0.19725.20210 [3] Microsoft SharePoint Server 2019 - 16.0.10417.20114 [4] Microsoft SharePoint Enterprise Server 2016 - 16.0.5548.1003 [5]
An unauthenticated remote attacker can spoof trusted content or interfaces visible to users due to insufficient input validation. The vulnerability can be exploited primarily as the first step of a more complex attack [1][6].
The vulnerability is present in products:
- Microsoft SharePoint Server Subscription Edition; <16.0.19725.20210;
- Microsoft SharePoint Server 2019; <16.0.10417.20114;
- Microsoft SharePoint Enterprise Server 2016; <16.0.5548.1003;
CVSS: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
More information:
- CVE-2026-32201 at cve.org, NVD
- CWE-20: Improper Input Validation at cwe.mitre.org
The vulnerability was publicly disclosed 14. 4. 2026.
Links
- [1] https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32201
- [2] https://www.cisa.gov/news-events/alerts/2026/04/14/cisa-adds-two-known-exploited-vulnerabilities-catalog
- [3] https://support.microsoft.com/help/5002853
- [4] https://support.microsoft.com/help/5002854
- [5] https://support.microsoft.com/help/5002861
- [6] https://www.darkreading.com/vulnerabilities-threats/privilege-elevation-dominates-microsoft-patch-update
By CESNET, z.s.p.o. Michaela Ručková on 17. 4. 2026.