CVEs / CVE-2024-21410
CVE-2024-21410: Microsoft Exchange Server Privilege Escalation Vulnerability
- Known exploited in the CISA KEV catalog since 15 Feb 2024
- critical 9.8 CVSS 3.1 (from the CNA)
- EPSS 12.6% chance of exploitation in the next 30 days, higher than 96% of CVEs (30 Oct 2026)
- Last changed at its sources
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Summary
Microsoft Exchange Server contains an unspecified vulnerability that allows for privilege escalation.
Description
Microsoft Exchange Server Elevation of Privilege Vulnerability
Affected and fixed versions
| Product | Affected | Fixed in |
|---|---|---|
| Microsoft Microsoft Exchange Server 2016 Cumulative Update 23 | from 15.01.0, before 15.01.2507.037 | 15.01.2507.037 |
| Microsoft Microsoft Exchange Server 2019 Cumulative Update 13 | from 15.02.0, before 15.2.1544.004 | 15.2.1544.004 |
| Microsoft Microsoft Exchange Server 2019 Cumulative Update 14 | from 15.02.0, before 15.2.1544.004 | 15.2.1544.004 |
Exploitation
| In CISA KEV since | 15 Feb 2024 |
|---|---|
| Due date for US federal agencies | 7 Mar 2024 |
| Used in ransomware campaigns | Unknown |
| Required action | Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. |
Severity
| CVSS 3.1 | 9.8 criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HScored by the CNA ([email protected]) |
|---|---|
| Weakness | CWE-287 |
References
- CVE-2024-21410 on NVD
- CVE-2024-21410 in the CISA KEV catalog
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21410 (cited by CISA)
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21410 Patch, Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-21410 US Government Resource
Sources
Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.
This product uses data from the NVD API but is not endorsed or certified by the NVD.