CVE-2024-21410

Microsoft Exchange Server Elevation of Privilege Vulnerability

CVE-2024-21410 is fixed in 3 products on 1 platform, first by KB5036386, released February 14, 2024. It is being exploited: CISA added it to the Known Exploited Vulnerabilities catalog on February 15, 2024. Patch Radar priority: Patch now.

Patch nowCISA KEV

CVSS

9.8

Critical

Exploitation

Exploited

Reported by the vendor

CISA KEV

Feb 15, 2024

Federal due date Mar 7, 2024

EPSS

0.1266

96th percentile

Where it's fixed

Product	Fix	Released
Microsoft
Microsoft Exchange Server 2016 Cumulative Update 23	KB5036386	Feb 14, 2024
Microsoft Exchange Server 2019 Cumulative Update 13	KB5035606	Feb 14, 2024
Microsoft Exchange Server 2019 Cumulative Update 14	KB5035606	Feb 14, 2024

Details

Published
February 14, 2024
Weakness
Improper Authentication
CISA required action
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Vendor advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21410

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