CVE-2024-21410
KEVMicrosoft Exchange Server Privilege Escalation Vulnerability
Description
Microsoft Exchange Server contains an unspecified vulnerability that allows for privilege escalation.
Microsoft Exchange Server Elevation of Privilege Vulnerability
CVSS 3.1 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HPublishedFeb 13, 2024
Last modifiedJun 17, 2026
Added to KEVFeb 15, 2024
Remediation dueMar 7, 2024
References
- msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21410PatchVendor Advisory
- cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-21410US Government Resource
0 recent articles mention this CVE
80
Risk assessment · Critical
Actively exploited. Patch immediately.
- Exploitation
- Confirmed in the wild (CISA KEV)
- Federal remediation deadline
- Overdue by 965 days
- CVSS
- 9.8 CRITICAL
- EPSS (30-day exploit probability)
- 12.7% · top 4% of all CVEs
- Weakness
- CWE-287
- Attack vector
- Network, remotely reachable
- Preconditions
- No privileges and no user interaction
Recommended actions
- 1.Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
- 2.Treat as emergency change: patch or isolate internet-facing instances first.
- 3.Review exposure: confirm which instances are reachable from the internet and restrict access until patched.
- 4.Hunt for compromise: review logs for the disclosure window, not just from the patch date.
Assessment is derived automatically from the live signals above; verify against your own asset inventory.