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CVE-2026-26114

Microsoft Office SharePoint

Microsoft CVSS 8.8 Updated March 15, 2026

Executive Risk Summary

"An authorized attacker can execute code over a network due to deserialization of untrusted data in Microsoft Office SharePoint, potentially leading to unauthorized access and data breaches. This vulnerability poses a significant risk to organizations using SharePoint, as it could allow attackers to gain control over sensitive data and systems."

Operational Audit Arsenal

Target Type Executable
Target Asset Microsoft.SharePoint.dll
Standard Path %ProgramFiles%Common FilesMicrosoft SharedWeb Server Extensions15ISAPI
PowerShell
# 🛠️ Senior Engineer Universal Audit
# Target: Microsoft.SharePoint.dll (Executable)
$Targets = 'Microsoft.SharePoint.dll'
$SearchPaths = @("$env:windir\System32", "$env:ProgramFiles", "${env:ProgramFiles(x86)}")

Get-ChildItem -Path $SearchPaths -Include $Targets -Recurse -ErrorAction SilentlyContinue | 
Select-Object FullName, @{Name="Version";Expression={$_.VersionInfo.ProductVersion}}

Patch Impact Forecast

Reboot Required Likely

SharePoint services may be affected

Internal Work Notes

Urgent: Apply patch for CVE-2026-26114 to prevent code execution vulnerability in SharePoint

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Intelligence Sources

Related Microsoft Threats

Data compiled from NVD, MSRC, and CISA KEV Catalog. Intelligence synthesized via AI. Scripts provided for diagnostic purposes under MIT License.