Improper control of generation of code ('code injection') in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
Conclusion & alert: CVE-2025-49704 is rated Critical Active Threat (92.4/100): CVSS High severity, with high exploitation likelihood (EPSS 59.58%, 98th percentile). Core evidence: CISA KEV confirms active exploitation (added 2025-07-22) affecting Microsoft / SharePoint. a weakness (CWE-94) Unauthenticated remote administrative access may be possible. 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 Code Injection Vulnerability · CISA KEV detail
: 2025-07-22
: 2025-07-23
: Disconnect public-facing versions of SharePoint Server that have reached their end-of-life (EOL) or end-of-service (EOS) to include SharePoint Server 2013 and earlier versions. For supported versions, please follow the mitigations according to CISA (URL listed below in Notes) and vendor instructions (URL listed below in Notes). Adhere to the applicable BOD 22-01 guidance for cloud services or discontinue use of the product if mitigations are not available.
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 | 2026-04-24 | 61.77% | 59.58% | -2.18% |
| 2 | 2026-04-22 | 64.93% | 61.77% | -3.16% |
| 3 | 2026-04-21 | — | 64.93% | — |
Full EPSS history (65 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 8.8 | 3.1 | HIGH |
|
2.8 | 5.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| 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:*:*:*:*:*:*:* |