Microsoft SharePoint Code Injection Vulnerability
Microsoft — Microsoft SharePoint Enterprise Server 2016
Improper control of generation of code ('code injection') in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
8.8
99.9%
Vector breakdown
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
- Published
- Jul 8, 2025
- Modified
- Feb 13, 2026
- Added to KEV
- Jul 22, 2025
- Federal patch due
- Jul 23, 2025
CISA required action
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.
Weakness classification
Proof-of-concept & exploitation references
Weaponization
Public repositories whose name or description references CVE-2025-49704, found via a live GitHub search at request time. These are community-sourced signals, not a verified working exploit - cross-check each one before relying on it, and treat higher star counts and recent activity as (weak) corroboration, not proof.
No public GitHub repositories referencing CVE-2025-49704 were found at last check. Absence here is not proof no exploit exists - see the references below for vendor advisories and write-ups.
References
Frequently asked questions
What is CVE-2025-49704?
Improper control of generation of code ('code injection') in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
How severe is CVE-2025-49704?
CVE-2025-49704 has a CVSS base score of 8.8 out of 10 (CVSS 3.1).
Is CVE-2025-49704 actively exploited in the wild?
Yes. CVE-2025-49704 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added Jul 22, 2025, meaning CISA has confirmed evidence of active exploitation. It is also flagged as used in ransomware campaigns.
What is the EPSS score for CVE-2025-49704?
99.9% - meaning FIRST.org's EPSS model estimates a 99.9% probability this vulnerability will be exploited in the wild within 30 days (100% percentile among all scored CVEs).
What type of vulnerability is CVE-2025-49704?
CVE-2025-49704 is classified under CWE-94 (CWE-94: Improper Control of Generation of Code ('Code Injection')).
Cross-checked against
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