CVE-2025-59272
📋 TL;DR
This command injection vulnerability in Copilot allows unauthorized local attackers to execute arbitrary commands, potentially leading to information disclosure. It affects systems running vulnerable versions of Microsoft Copilot where an attacker has local access. The high CVSS score reflects the potential for significant impact despite requiring local access.
💻 Affected Systems
- Microsoft Copilot
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise via privilege escalation to execute arbitrary commands with elevated privileges, leading to data exfiltration, persistence establishment, or lateral movement.
Likely Case
Local information disclosure where an attacker can read sensitive files, configuration data, or system information accessible to the Copilot process.
If Mitigated
Limited impact with proper access controls, network segmentation, and least privilege principles preventing escalation beyond the Copilot process context.
🎯 Exploit Status
Command injection vulnerabilities typically have low exploitation complexity once the injection vector is identified, but this requires local access to the system.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check Microsoft advisory for specific patched versions
Vendor Advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-59272
Restart Required: Yes
Instructions:
1. Visit the Microsoft Security Response Center advisory. 2. Identify the patched version for your Copilot deployment. 3. Update Copilot to the latest secure version. 4. Restart the Copilot service or system as required.
🔧 Temporary Workarounds
Restrict Local Access
allLimit local system access to trusted users only through proper authentication and authorization controls
Implement Least Privilege
allRun Copilot with minimal necessary privileges to limit potential impact of command injection
🧯 If You Can't Patch
- Implement strict access controls to limit who can interact with Copilot locally
- Monitor system logs for unusual command execution patterns or unauthorized access attempts
🔍 How to Verify
Check if Vulnerable:
Check your Copilot version against the vulnerable versions listed in the Microsoft advisoryCheck Version:
Check Copilot settings or about section for version information (exact command varies by deployment)Verify Fix Applied:
Confirm Copilot version matches or exceeds the patched version specified in Microsoft's advisory📡 Detection & Monitoring
Log Indicators:
- Unusual command execution from Copilot process
- Unexpected file access patterns
- Suspicious process creation by Copilot
Network Indicators:
- Unusual outbound connections from systems running Copilot
- Data exfiltration patterns
SIEM Query:
Process creation where parent process contains 'copilot' AND command line contains suspicious characters like ;, |, &, $, or known malicious commands