How severe is CVE-2023-24955?

CVE-2023-24955 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-24955 being actively exploited?

Yes. CVE-2023-24955 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2024-03-26, which means active exploitation has been confirmed. It should be prioritised for remediation.

What products are affected by CVE-2023-24955?

CVE-2023-24955 primarily affects Microsoft Sharepoint Enterprise Server. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-24955?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.

Does CVE-2023-24955 have an EU (EUVD) identifier?

Yes. CVE-2023-24955 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-28942. It is also flagged as exploited in the EUVD (since 2024-03-26).

When was CVE-2023-24955 published?

CVE-2023-24955 was published on 2023-05-09 and last updated on 2026-06-17.

CVE-2023-24955

CVE-2023-24955 is a high-severity vulnerability in Microsoft Sharepoint Enterprise Server with a CVSS 3.x base score of 7.2. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2024-03-26). The underlying weakness is classified as CWE-94.

Key facts

Severity: High (CVSS 3.x base score 7.2)
EPSS exploit prediction: 85% (100th percentile)
Actively exploited: Yes — listed in CISA KEV (added 2024-03-26)
EU (EUVD) id: EUVD-2023-28942
EU exploitation: Flagged exploited in the ENISA EU Vulnerability Database (since 2024-03-26)
Weakness: CWE-94
Affected product: Microsoft Sharepoint Enterprise Server
Published: 2023-05-09
Last modified: 2026-06-17

Description

Microsoft SharePoint Server Remote Code Execution Vulnerability

Frequently asked questions

What is CVE-2023-24955?: Microsoft SharePoint Server Remote Code Execution Vulnerability
How severe is CVE-2023-24955?: CVE-2023-24955 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-24955 being actively exploited?: Yes. CVE-2023-24955 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2024-03-26, which means active exploitation has been confirmed. It should be prioritised for remediation.
What products are affected by CVE-2023-24955?: CVE-2023-24955 primarily affects Microsoft Sharepoint Enterprise Server. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-24955?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.
Does CVE-2023-24955 have an EU (EUVD) identifier?: Yes. CVE-2023-24955 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-28942. It is also flagged as exploited in the EUVD (since 2024-03-26).
When was CVE-2023-24955 published?: CVE-2023-24955 was published on 2023-05-09 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:a:microsoft:sharepoint_enterprise_server:2016:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:sharepoint_server:-:*:*:*:subscription:*:*:*
cpe:2.3:a:microsoft:sharepoint_server:2019:*:*:*:*:*:*:*

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