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

Timeline

Detection, updates, and resolution for this record.

1. Oct 13, 2026 · NIST NVD

   Detected

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

2. Oct 14, 2026 · NIST NVD

   Updated

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

Affected

• cpe microsoft/sharepoint serverversion unspecified
• vendor Microsoft Microsoft SharePoint Server Subscription Editionversion unspecified

Sources

• CIRCL Vulnerability LookupVulnerability recordCVE-2026-88198

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

  vulnerability.circl.lu
• CVE.orgVulnerability recordCVE-2026-88198

  Official CVE identifier

  cve.org
• FIRST EPSSExploitation probabilityCVE-2026-88198

  30-day exploitation probability 0.7%

  first.org
• NIST NVDVulnerability recordCVE-2026-88198

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

  nvd.nist.gov

References

• Patch · msrc.microsoft.com