ACTIVELY EXPLOITED

CVE-2019-0604: Microsoft SharePoint Remote Code Execution Vulnerability

Facts
VendorMicrosoft
ProductSharePoint
Actively exploitedYes
Added to CISA KEV3 Nov 2021
CISA federal deadline3 May 2022
Ransomware useKnown
Weakness (CWE)CWE-20

Required action (CISA's text)

Apply updates per vendor instructions.

Description (NVD)

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.

SOURCES

Other Microsoft flaws

Data from NVD, CISA KEV, FIRST EPSS and vendor advisories. Updated 10 Nov 2026.