CVE-2025-49704 | Microsoft SharePoint Remote Code Execution Vulnerability

Exp

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

Published: 2025-07-08 Last update: 2025-10-27 Assigner: [email protected] Source: [email protected]

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.

CISA KEV Record for CVE-2025-49704

Name: Microsoft SharePoint Code Injection Vulnerability · CISA KEV detail

Exploit added: 2025-07-22

Action due: 2025-07-23

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.

Exploit prediction scoring system (EPSS) score for CVE-2025-49704

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)

Common vulnerability scoring system (CVSS) metrics for CVE-2025-49704

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
8.8 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:L)
A normal user session is enough; they don’t have to be admin.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
2.8 5.9 [email protected]

Weakness enumeration for CVE-2025-49704

Affected software / configurations for CVE-2025-49704

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:*:*:*:*:*:*:*

References for CVE-2025-49704

cvelogic Threat Intelligence