8.8

CVE-2025-49704

Warning
Media report

Improper control of generation of code ('code injection') in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

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Microsoft ≫ Sharepoint Server Version2016 SwEditionenterprise
Microsoft ≫ Sharepoint Server Version2019

22.07.2025: CISA Known Exploited Vulnerabilities (KEV) Catalog

Microsoft SharePoint Code Injection Vulnerability

Vulnerability

Microsoft SharePoint contains a code injection vulnerability that could allow an authorized attacker to execute code over a network. This vulnerability could be chained with CVE-2025-49706. The update for CVE-2025-53770 includes more robust protections than the update for CVE-2025-49704.

Description

CISA recommends disconnecting public-facing versions of SharePoint Server that have reached their end-of-life (EOL) or end-of-service (EOS). For example, SharePoint Server 2013 and earlier versions are end-of-life and should be discontinued if still in use. For supported versions, please follow the mitigations according to CISA and vendor instructions. Adhere to the applicable BOD 22-01 guidance for cloud services or discontinue use of the product if mitigations are not available.

Required actions
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 64.91% 0.984
CVSS Metriken
Source Base Score Exploit Score Impact Score Vector string
secure@microsoft.com 8.8 2.8 5.9
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE-94 Improper Control of Generation of Code ('Code Injection')

The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.