Microsoft SharePoint Remote Code Execution Vulnerability
Conclusion & alert: CVE-2024-38094 is rated Critical Active Threat (93.3/100): CVSS High severity, with high exploitation likelihood (EPSS 70.32%, 99th percentile). Core evidence: CISA KEV confirms active exploitation (added 2024-10-22) affecting Microsoft / SharePoint. a weakness (CWE-502) Unauthenticated remote administrative access may be possible. EPSS rose +6.03% over the last day, indicating growing attacker interest. Mandatory action: The CISA remediation deadline has passed—treat as an emergency patch priority.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
: Microsoft SharePoint Deserialization Vulnerability · CISA KEV detail
: 2024-10-22
: 2024-11-12
: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-05-22 | 64.30% | 70.32% | +6.03% |
| 2 | 2026-04-07 | 64.78% | 64.30% | -0.49% |
| 3 | 2026-03-25 | — | 64.78% | — |
Full EPSS history (31 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.2 | 3.1 | HIGH |
|
1.2 | 5.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| microsoft | sharepoint_server | — | cpe:2.3:a:microsoft:sharepoint_server:-:*:*:*:subscription:*:*:* |
| microsoft | sharepoint_server | 2016 | cpe:2.3:a:microsoft:sharepoint_server:2016:*:*:*:enterprise:*:*:* |
| microsoft | sharepoint_server | 2019 | cpe:2.3:a:microsoft:sharepoint_server:2019:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-38094 | Patch Vendor Advisory |
| https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-38094 | US Government Resource |