CVE-2024-21410

CRITICALCVSS 9.8/10Actively ExploitedEPSS 12.66%

Last modified

CVE-2024-21410 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Microsoft Exchange Server Elevation of Privilege Vulnerability. CISA has confirmed active exploitation in the wild. EPSS estimates a 12.66% chance of exploitation in the next 30 days.

Description

Microsoft Exchange Server Elevation of Privilege Vulnerability

Metrics

CVSS 3.1
9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
12.66%

95.7th percentile

Probability of exploitation in the next 30 days. Learn more

Exploitation Status

This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by .

Weakness Enumeration

Affected Software

VendorProductVersionsUpdate
MicrosoftExchange Server2016Cumulative Update 23
MicrosoftExchange Server2019Cumulative Update 13

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2024-21410?
Microsoft Exchange Server Elevation of Privilege Vulnerability
How severe is CVE-2024-21410?
CVE-2024-21410 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 12.66% probability of exploitation in the next 30 days. This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog.
How do I fix CVE-2024-21410?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2024-21410?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST