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CRITICAL: THIS VULNERABILITY IS ACTIVELY BEING EXPLOITED IN THE WILD (CISA KEV CATALOG)
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CVE-2023-23397

Exploited

Microsoft Office - Outlook

Microsoft CVSS 9.8 Updated March 18, 2026

Executive Risk Summary

"The Microsoft Outlook Elevation of Privilege Vulnerability (CVE-2023-23397) allows an attacker to elevate their privileges on a vulnerable system. Successful exploitation could grant an attacker elevated access to sensitive data and system resources."

Operational Audit Arsenal

Target Type executable
Target Asset outlook.exe
Standard Path %ProgramFiles%\Microsoft Office\Root\Office16
PowerShell
# 🛠️ Senior Engineer Universal Audit
# Target: outlook.exe (executable)
$Targets = 'outlook.exe'
$SearchPaths = @("$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

Moderate

Internal Work Notes

Apply latest Microsoft Office security updates to mitigate CVE-2023-23397, which may require a system reboot and could cause moderate disruption to user productivity.

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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.