Missing authorization in Microsoft Office SharePoint allows an authorized attacker to elevate privileges 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 14, 2026 · NIST NVD

   Detected

   Missing authorization in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network.

2. Oct 15, 2026 · NIST NVD

   Updated

   Missing authorization in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network.

3. Oct 15, 2026 · NIST NVD

   Updated

   Missing authorization in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network.

Affected

• microsoft Microsoft SharePoint Server Subscription Editionversion unspecified
• vendor Microsoft Microsoft SharePoint Server Subscription Editionversion unspecified

Sources

• CIRCL Vulnerability LookupVulnerability recordCVE-2026-88164

  Missing authorization in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network.

  vulnerability.circl.lu
• CVE.orgVulnerability recordCVE-2026-88164

  Official CVE identifier

  cve.org
• FIRST EPSSExploitation probabilityCVE-2026-88164

  30-day exploitation probability 0.7%

  first.org
• Microsoft Security Update GuideVendor advisoryCVE-2026-88164

  Microsoft SharePoint Server Subscription Edition

  msrc.microsoft.com
• NIST NVDVulnerability recordCVE-2026-88164

  Missing authorization in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network.

  nvd.nist.gov

References

• Reference · msrc.microsoft.com