CVE-2024-21410
Microsoft Exchange Server Elevation of Privilege Vulnerability
Microsoft Exchange Server Elevation of Privilege Vulnerability
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Microsoft Exchange Server Elevation of Privilege Vulnerability
Microsoft Exchange Server Elevation of Privilege Vulnerability
- Record
CVE-2024-21410- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C - Weakness
- CWE-287
- Updated
- 2026-11-02
EUVDEUVD-2024-19119
Microsoft Exchange Server Elevation of Privilege Vulnerability
- Record
EUVD-2024-19119- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-mv5v-r4x4-qmxw
Microsoft Exchange Server Elevation of Privilege Vulnerability
Microsoft Exchange Server Elevation of Privilege Vulnerability
- Record
GHSA-mv5v-r4x4-qmxw- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-287
- Updated
- 2026-11-02
CISA KEV No score
Microsoft Exchange Server Privilege Escalation Vulnerability
Microsoft Exchange Server contains an unspecified vulnerability that allows for privilege escalation.
- Record
CVE-2024-21410- Weakness
- CWE-287
- Updated
- 2026-11-02
NVD
Microsoft Exchange Server Elevation of Privilege Vulnerability
- Record
CVE-2024-21410- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-287
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| exploitation | ||
| first indexed | CVE List, EUVD, GitHub Advisories, CISA KEV, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2024-21410 is a critical vulnerability (CVSS 9.8) in Microsoft Exchange Server, published February 13, 2024. CISA lists it as known to be exploited, since February 15, 2024. EUVD reports exploitation since February 15, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 12.7%, the 96th percentile. No source names a fixed version.