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Findings

CVE-2026-33110

Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

Published May 12, 2026 · updated Jun 17, 2026 · microsoft sharepoint server

Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

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 12, 2026 · NIST NVD

    Detected

    Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

  2. Jun 17, 2026 · NIST NVD

    Updated

    Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

Affected

  • cpe microsoft/sharepoint serverversion unspecified
  • cpe microsoft/sharepoint server2016
  • cpe microsoft/sharepoint server2019

Sources

  • CVE.orgVulnerability recordCVE-2026-33110

    Official CVE identifier

    cve.org
  • NIST NVDVulnerability recordCVE-2026-33110

    Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

    nvd.nist.gov

References