CVE-2023-24955
Microsoft SharePoint Server Remote Code Execution Vulnerability
- High 7.2
- Exploited: added to CISA KEV 26 Mar 2024
- Used in ransomware campaigns
Description
Microsoft SharePoint Server Remote Code Execution Vulnerability
Key facts
- Published
- 9 May 2023
- Last changed
- 21 Oct 2025
- Assigned by
- microsoft
- KEV added
- 26 Mar 2024
- KEV fix due
- 16 Apr 2024
- Used in ransomware
- Yes, according to CISA
- EPSS
- 84.974% likely to be exploited in the next 30 days, higher than 99.717% of CVEs (scores for 15 Nov 2026)
- SSVC (CISA)
- Exploitation: active; Automatable: no; Technical impact: total
Severity scores
Each score is shown as its source gave it. They are not averaged or merged.
- 7.2CVSS 3.1, Highfrom the CNA (microsoft)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
What to do
- Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.CISA KEV required action
Historical context and remediation
This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.
No separately sourced impact summary is available on this page yet. Consult the description, version data and dated exploitation evidence.
Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.
Affected products
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Microsoft SharePoint Enterprise Server 2016 |
|
| Microsoft | Microsoft SharePoint Server 2019 |
|
| Microsoft | Microsoft SharePoint Server Subscription Edition |
|
Timeline
- 9 May 2023 Published
- 26 Mar 2024 CVE-2023-24955 added to CISA KEV
- 26 Mar 2024 Added to the CISA KEV catalogue