Microsoft Exchange Server Privilege Escalation Vulnerability

Added to KEV
2024-02-15
Federal due date
2024-03-07
Vendor
Microsoft
Product
Exchange Server
EPSS
91.0th percentile (score 0.061, as of 2026-06-08)
NVD CVSS v3.1
Ransomware use
Unknown
Upstream
https://nvd.nist.gov/vuln/detail/CVE-2024-21410

CISA short description

Microsoft Exchange Server contains an unspecified vulnerability that allows for privilege escalation.

Required action

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

EPSS percentile is the FIRST.org exploit-probability ranking as of the date noted above; it moves daily. CVSS reflects NVD's analysis at time of publication.