CVE-2025-53799
📋 TL;DR
CVE-2025-53799 is an information disclosure vulnerability in Windows Imaging Component where uninitialized memory resources can be accessed by a local attacker. This allows reading of potentially sensitive data from system memory. Only Windows systems with the vulnerable component are affected.
💻 Affected Systems
- Windows Imaging Component
📦 What is this software?
Office by Microsoft
Windows 10 1507 by Microsoft
Windows 10 1507 by Microsoft
Windows 10 1607 by Microsoft
Windows 10 1607 by Microsoft
Windows 10 1809 by Microsoft
Windows 10 1809 by Microsoft
Windows 10 21h2 by Microsoft
Windows 10 22h2 by Microsoft
Windows 11 22h2 by Microsoft
Windows 11 23h2 by Microsoft
Windows 11 24h2 by Microsoft
⚠️ Risk & Real-World Impact
Worst Case
An attacker could read sensitive information from kernel memory, potentially exposing credentials, encryption keys, or other protected data.
Likely Case
Limited information disclosure of non-critical memory contents, possibly revealing system state or application data.
If Mitigated
With proper access controls and patching, impact is minimal as it requires local access and specific conditions.
🎯 Exploit Status
Requires local access and specific conditions to trigger the uninitialized resource access.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check Microsoft Security Update Guide for specific KB numbers
Vendor Advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-53799
Restart Required: No
Instructions:
1. Open Windows Update settings. 2. Check for updates. 3. Install all security updates. 4. Verify update installation in Update History.
🔧 Temporary Workarounds
Restrict local access
allLimit local user access to systems where patching is not immediately possible
🧯 If You Can't Patch
- Implement strict access controls to limit local user privileges
- Monitor for suspicious local activity and memory access patterns
🔍 How to Verify
Check if Vulnerable:
Check Windows Update history for missing security patches related to Windows Imaging ComponentCheck Version:
wmic qfe list brief | findstr /i "KB"Verify Fix Applied:
Verify the latest security updates are installed via Windows Update settings📡 Detection & Monitoring
Log Indicators:
- Unusual process access to imaging components
- Failed attempts to access protected memory regions
Network Indicators:
- Not applicable - local vulnerability
SIEM Query:
Process creation events involving imaging components with unusual parent processes