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Findings

CVE-2023-24955

Microsoft SharePoint Server Code Injection Vulnerability

Published May 9, 2023 · updated Jun 16, 2026 · microsoft sharepoint enterprise server

Microsoft SharePoint Server contains a code injection vulnerability that allows an authenticated attacker with Site Owner privileges to execute code remotely.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. May 9, 2023 · Catalog

    Detected

    Microsoft SharePoint Server contains a code injection vulnerability that allows an authenticated attacker with Site Owner privileges to execute code remotely.

  2. Mar 26, 2024 · CISA KEV

    Known exploited

    Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

  3. Apr 16, 2024 · CISA KEV

    Remediation due

    Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

  4. Jun 16, 2026 · Catalog

    Updated

    Microsoft SharePoint Server contains a code injection vulnerability that allows an authenticated attacker with Site Owner privileges to execute code remotely.

Required action

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

CISA due date Apr 16, 2024

Affected

  • cpe microsoft/sharepoint enterprise server2016
  • cpe microsoft/sharepoint serverversion unspecified
  • cpe microsoft/sharepoint server2019
  • vendor Microsoft SharePoint Serverversion unspecified

Sources

  • CISA KEVConfirmed exploitationCVE-2023-24955

    Microsoft SharePoint Server contains a code injection vulnerability that allows an authenticated attacker with Site Owner privileges to execute code remotely.

    cisa.gov
  • CVE.orgVulnerability recordCVE-2023-24955

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2023-24955

    30-day exploitation probability 85.0%

    first.org
  • Metasploit ModulesPublic exploit moduleexploit_windows/http/sharepoint_dynamic_proxy_generator_auth_bypass_rce

    Public module reference (excellent). Module source is not copied into this catalog.

    rapid7.com
  • NIST NVDVulnerability recordCVE-2023-24955

    Microsoft SharePoint Server Remote Code Execution Vulnerability

    nvd.nist.gov

References