CVE-2021-31196

Vulnerability details

Microsoft Exchange Server contains an information disclosure vulnerability that allows for remote code execution.

Added to CISA KEV: 2024-08-21

Ransomware campaign use: Unknown

CISA due date: 2024-09-11

Defensive guidance from CISA

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

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