CVE-2023-38182

Microsoft Exchange Server Remote Code Execution Vulnerability

CVE-2023-38182 is fixed in 3 products on 1 platform, first by KB5030524, released September 12, 2023. It is not reported as exploited, but the vendor rates exploitation more likely. Patch Radar priority: Urgent.

Urgent

CVSS

8.0

Important

Exploitation

More likely

Vendor assessment

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.0592

93rd percentile

Where it's fixed

Product	Fix	Released
Microsoft
Microsoft Exchange Server 2016 Cumulative Update 23	KB5030524	Sep 12, 2023
Microsoft Exchange Server 2019 Cumulative Update 12	KB5030524	Sep 12, 2023
Microsoft Exchange Server 2019 Cumulative Update 13	KB5030524	Sep 12, 2023

Details

Published
August 9, 2023
Weakness
Deserialization of Untrusted Data
Vendor advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-38182

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