Microsoft · SharePoint
CVE-2019-0604
Microsoft SharePoint Remote Code Execution Vulnerability
What it is
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.
CISA: Microsoft SharePoint fails to check the source markup of an application package. An attacker who successfully exploits the vulnerability could run remote code in the context of the SharePoint application pool and the SharePoint server farm account.
What to do
Apply updates per vendor instructions.
Deadline for US federal agencies: May 3, 2022
More exploited flaws from Microsoft
| Added | Vulnerability | Product | Severity | Attack chance |
|---|---|---|---|---|
| Sep 25, 2026 | Code Injection | SharePoint | High 8.8 | 8.2% |
| Aug 18, 2026 | Weak Authentication | SharePoint | Critical 9.1 | 70% |
| Jul 22, 2026 | Deserialization of Untrusted Data Vulnerability | SharePoint | Critical 9.8 | 3.0% |
| Jul 16, 2026 | Deserialization of Untrusted Data | SharePoint | Critical 9.8 | 16% |
| Mar 18, 2026 | Deserialization of Untrusted Data | SharePoint | Critical 9.8 | 29% |
| Jul 22, 2025 | Code Injection | SharePoint | High 8.8 | >99.9% |
| Jul 22, 2025 | Improper Authentication | SharePoint | Medium 6.5 | 99.1% |
| Jul 20, 2025 | Deserialization of Untrusted Data | SharePoint | Critical 9.8 | >99.9% |
Sources: Known Exploited Vulnerabilities (CISA, public domain), CVE records (cve.org) and EPSS (FIRST). The chance of attacks is the EPSS estimate that someone will try to exploit the flaw in the next 30 days.