CVE-2023-36778

Microsoft Exchange Server Remote Code Execution Vulnerability

CVE-2023-36778 is fixed in 3 products on 1 platform, first by KB5030877, released October 10, 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

0.0167

76th percentile

Where it's fixed

Product	Fix	Released
Microsoft
Microsoft Exchange Server 2016 Cumulative Update 23	KB5030877	Oct 10, 2023
Microsoft Exchange Server 2019 Cumulative Update 12	KB5030877	Oct 10, 2023
Microsoft Exchange Server 2019 Cumulative Update 13	KB5030877	Oct 10, 2023

Details

Published
October 10, 2023
Weakness
Untrusted Search Path
Vendor advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36778

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