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. Mar 10, 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 server2016
• cpe microsoft/sharepoint server2019

Sources

• CVE.orgVulnerability recordCVE-2026-26114

  Official CVE identifier

  cve.org
• NIST NVDVulnerability recordCVE-2026-26114

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

  nvd.nist.gov

References

• Vendor Advisory · msrc.microsoft.com