Product / Microsoft
Microsoft SharePoint Server in CISA KEV
Answer CISA's KEV catalog lists 5 vulnerabilities in Microsoft SharePoint Server as of catalog 2026.09.23, 1.3% of Microsoft's 388 entries. First added 2024-01-10, latest 2026-07-14; 3 ransomware-linked.
- KEV entries
- 5
- Ransomware: known
- 360%
- First added
- 2024-01-10
- Latest added
- 2026-07-14
- Median days to due
- 14
- Open deadlines
- 0federal
TAdditions by year
| Year | Added |
|---|---|
| 2021 | 0 |
| 2022 | 0 |
| 2023 | 0 |
| 2024 | 2 |
| 2025 | 0 |
| 2026 | 3 |
WWeaknesses
| CWE | Entries | Share |
|---|---|---|
| CWE-306 Missing authentication | 1 | 20% |
| CWE-502 Unsafe deserialization | 1 | 20% |
| CWE-20 Improper input validation | 1 | 20% |
| CWE-94 Code injection | 1 | 20% |
| CWE-303 | 1 | 20% |
EAll entries
| CVE | Vulnerability | Added | Due | Ransomware | CWE |
|---|---|---|---|---|---|
| CVE-2026-56164 | Microsoft SharePoint Server Missing Authentication for Critical Function Vulnerability | Unknown | CWE-306 | ||
| CVE-2026-45659 | Microsoft SharePoint Server Deserialization of Untrusted Data Vulnerability | Known | CWE-502 | ||
| CVE-2026-32201 | Microsoft SharePoint Server Improper Input Validation Vulnerability | Unknown | CWE-20 | ||
| CVE-2023-24955 | Microsoft SharePoint Server Code Injection Vulnerability | Known | CWE-94 | ||
| CVE-2023-29357 | Microsoft SharePoint Server Privilege Escalation Vulnerability | Known | CWE-303 |
Cite this
CISA's KEV catalog lists 5 vulnerabilities in Microsoft SharePoint Server. Source: Telemetry analysis of the CISA Known Exploited Vulnerabilities catalog, version 2026.09.23 (released 2026-09-23). https://glide-telemetry.pages.dev/products/microsoft-sharepoint-server/
Source: CISA KEV catalog v2026.09.23, released 2026-09-23. Windows end 2026-09-23.