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. Oct 13, 2026 · NIST NVD

   Detected

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

2. Oct 14, 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
• microsoft Microsoft SharePoint Server Subscription Editionversion unspecified
• vendor Microsoft Microsoft SharePoint Server Subscription Editionversion unspecified

Sources

• CIRCL Vulnerability LookupVulnerability recordCVE-2026-105013

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

  vulnerability.circl.lu
• CVE.orgVulnerability recordCVE-2026-105013

  Official CVE identifier

  cve.org
• FIRST EPSSExploitation probabilityCVE-2026-105013

  30-day exploitation probability 0.8%

  first.org
• Microsoft Security Update GuideVendor advisoryCVE-2026-105013

  Microsoft SharePoint Server Subscription Edition

  msrc.microsoft.com
• NCSC NetherlandsGovernment advisoryCVE-2026-105013

  Microsoft heeft xxx kwetsbaarheden verholpen in diverse Office producten, zoals Word, Excel, Access, Outlook, Visio, Sharepoint en PowerPoint, maar ook subcomponenten als Shell, Azure Key Vault en Click-to-Run. Een kwaadwillende kan de kwetsbaarheden misbruiken om een Denial-of-S

  advisories.ncsc.nl
• NIST NVDVulnerability recordCVE-2026-105013

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

  nvd.nist.gov

References

• Patch · msrc.microsoft.com