VulnerabilityAnalyzed
CVE-2024-21410
Microsoft Exchange Server Privilege Escalation Vulnerability
KEVCRITICAL 9.8EPSS 12.6%
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 7 March 2024). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
Description
Microsoft Exchange Server Elevation of Privilege Vulnerability
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 12.56% probability · 96th percentile
- CISA KEV
- Listed 15 February 2024 · due 7 March 2024
- Weakness
- CWE-287
- Affected
- microsoft/exchange server
- Source
- secure@microsoft.com
CISA notes
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21410; https://nvd.nist.gov/vuln/detail/CVE-2024-21410
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21410Patch, Vendor Advisory
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21410Patch, Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-21410US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.