CVE-2023-24955

Microsoft SharePoint Server Remote Code Execution Vulnerability

CVE-2023-24955 is fixed in 3 products on 1 platform, first by KB5002397, released May 9, 2023. It is being exploited: CISA added it to the Known Exploited Vulnerabilities catalog on March 26, 2024, with known ransomware use. Patch Radar priority: Patch now.

Patch nowCISA KEVKnown ransomware use

CVSS

7.2

Critical

Exploitation

Exploited

Listed by CISA

CISA KEV

Mar 26, 2024

Federal due date Apr 16, 2024. Known ransomware use

EPSS

0.8497

99th percentile

Where it's fixed

Product	Fix	Released
Microsoft
Microsoft SharePoint Enterprise Server 2016	KB5002397	May 9, 2023
Microsoft SharePoint Server 2019	KB5002389	May 9, 2023
Microsoft SharePoint Server Subscription Edition	KB5002390	May 9, 2023

Details

Published
May 9, 2023
Weakness
Improper Control of Generation of Code ('Code Injection')
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-2023-24955

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