CVE-2022-23300
📋 TL;DR
CVE-2022-23300 is a remote code execution vulnerability in Microsoft Raw Image Extension that allows attackers to execute arbitrary code by tricking users into opening a specially crafted raw image file. This affects Windows systems with the Raw Image Extension installed, primarily putting users at risk through social engineering attacks.
💻 Affected Systems
- Microsoft Raw Image Extension
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Full system compromise with attacker gaining SYSTEM privileges, enabling data theft, ransomware deployment, or persistent backdoor installation.
Likely Case
Limited user-level compromise on targeted systems, potentially leading to credential theft, lateral movement, or data exfiltration.
If Mitigated
No impact if extension is not installed or patched, with user education preventing malicious file execution.
🎯 Exploit Status
Requires user interaction to open malicious file. No known public exploits as of last update.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Raw Image Extension version 1.0.37391.0 or later
Vendor Advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-23300
Restart Required: No
Instructions:
1. Open Microsoft Store 2. Click Library 3. Click Get updates 4. Install Raw Image Extension update 5. Alternatively, uninstall the extension via Settings > Apps > Apps & features
🔧 Temporary Workarounds
Uninstall Raw Image Extension
windowsRemove the vulnerable component entirely
Get-AppxPackage *Microsoft.RawImageExtension* | Remove-AppxPackage
Disable raw image file association
windowsPrevent raw image files from opening with vulnerable extension
assoc .raw=
assoc .nef=
assoc .cr2=
🧯 If You Can't Patch
- Educate users not to open raw image files from untrusted sources
- Implement application whitelisting to block Raw Image Extension execution
🔍 How to Verify
Check if Vulnerable:
Check Raw Image Extension version in Microsoft Store or via PowerShell: Get-AppxPackage *Microsoft.RawImageExtension* | Select VersionCheck Version:
Get-AppxPackage *Microsoft.RawImageExtension* | Select VersionVerify Fix Applied:
Verify version is 1.0.37391.0 or higher using same PowerShell command📡 Detection & Monitoring
Log Indicators:
- Process creation events for RawImageExtension.exe with suspicious parent processes
- Windows Defender/AV alerts for malicious raw image files
Network Indicators:
- Outbound connections from RawImageExtension.exe process
- Downloads of raw image files from suspicious sources
SIEM Query:
ProcessName="RawImageExtension.exe" AND (CommandLine CONTAINS ".raw" OR CommandLine CONTAINS ".nef" OR CommandLine CONTAINS ".cr2")