CISA-confirmed known exploited vulnerability

CVE-2019-0604

Microsoft SharePoint Remote Code Execution Vulnerability

Microsoft · SharePoint

Vulnerability details

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.

Added to CISA KEV: 2021-11-03

Ransomware campaign use: Known

CISA due date: 2022-05-03

Defensive guidance from CISA

Apply updates per vendor instructions.

This is the source's required-action field, not an independently validated patch procedure. Refer to the vendor for exact affected versions and fixes.

Source catalog date: 2026-11-06T19:44:45.1797Z · Last retrieved: 2026-11-06 21:02:26 UTC

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