CVE-2023-33134

Microsoft SharePoint Server Remote Code Execution Vulnerability

CVE-2023-33134 is fixed in 3 products on 1 platform, first by KB5002425, released July 11, 2023. It is not reported as exploited, but the vendor rates exploitation more likely. Patch Radar priority: Urgent.

Urgent

CVSS

8.8

Important

Exploitation

More likely

Vendor assessment

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.0257

85th percentile

Where it's fixed

Product	Fix	Released
Microsoft
Microsoft SharePoint Enterprise Server 2016	KB5002425	Jul 11, 2023
Microsoft SharePoint Server 2019	KB5002423	Jul 11, 2023
Microsoft SharePoint Server Subscription Edition	KB5002424	Jul 11, 2023

Details

Published
July 11, 2023
Weakness
Deserialization of Untrusted Data
Vendor advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-33134

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