CVE-2023-28229: Microsoft Windows CNG Key Isolation Service Privilege Escalation Vulnerability
Microsoft Windows Cryptographic Next Generation (CNG) Key Isolation Service contains an unspecified vulnerability that allows an attacker to gain specific limited SYSTEM privileges.
| Vendor | Microsoft |
|---|---|
| Product | Windows CNG Key Isolation Service |
| Date added to KEV | 2023-10-04 |
| Due date (BOD 22-01) | 2023-10-25 |
| Known ransomware campaign use | Unknown |
| CWE | CWE-591 |
| Required action | Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. |
What to do
- Identify every instance of Microsoft Windows CNG Key Isolation Service in your environment (asset inventory, EDR, vulnerability scanner).
- Apply CISA's required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
- Federal civilian agencies must act by 2023-10-25 under BOD 22-01; other organizations can use the same date as a target.
- Check the vendor advisory and NVD entry linked below for affected versions, then record the fix in your change log.
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