CISA’s required action for CVE-2024-38106 is to apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. In practice, find every instance of Microsoft Windows in your estate, apply the vendor security update or documented mitigation, and if no fix can be applied, remove internet exposure or take the product out of service. After patching, review logs for signs of earlier exploitation, because attackers used this flaw in the wild.
What changed after Microsoft released the fix?
For this CVE, the practical question is not just whether Windows is patched, but whether every vulnerable system is brought back inside a controlled support and update path. Treat the issue as a live privilege-escalation exposure until the security update or documented mitigation is in place, because active exploitation means the window between disclosure and remediation is operationally important. The fastest path is to CISA Known Exploited Vulnerabilities Catalog and the vendor advisory, then verify the affected estate rather than relying on a generic patch policy.
windows kernel privilege escalation is especially sensitive because a successful exploit can turn a foothold into higher system authority on the same host. That means remediation is not only about fixing the binary, but also about reducing the blast radius of any system that cannot be updated immediately. If your environment is broad, use Vulnerability Management Guide to prioritize exposed Windows assets, confirm ownership, and make sure the remedial action is tracked to completion.
The most defensible approach is to patch first where you can, then apply the vendor mitigation exactly as documented where patching is delayed. If a system cannot be fixed safely, isolation matters: remove direct internet exposure, restrict reachability, or retire the system from service. The goal is to eliminate the exploit path, not to defer the decision until the next maintenance window.
What should you check before and after remediation?
Start with inventory and exposure. Identify every Windows host, confirm which ones are externally reachable, and verify whether any of them sit in roles where a local privilege escalation would matter more, such as admin workstations, servers with sensitive data, or systems with privileged operators logging on interactively. Then confirm the update or mitigation landed on the actual host, not just in a ticket.
After remediation, review telemetry for evidence of earlier abuse, because exploited privilege-escalation flaws often leave only indirect traces. Search for unusual process ancestry, unexpected service creation, new scheduled tasks, anomalous logons, and privilege changes around the time the vulnerable host was reachable. If the host had privileged users, also review whether attacker activity could have pivoted into saved credentials or administrative sessions.
Because the CVE was exploited in the wild, post-patch review should be treated as compromise assessment, not routine hygiene. If you find suspicious activity, widen the review to adjacent systems that share admin access, software deployment tooling, or remote management paths, since a local escalation on one Windows host can become a launch point for broader estate access.
How do you keep the same issue from coming back?
Use the event to tighten patch governance around exploited vulnerabilities rather than handling it as a one-off emergency. The most useful control is not just faster deployment, but faster decision-making on when to patch, when to mitigate, and when to remove exposure if a fix is not immediately available. That is also where risk ownership matters: a Windows kernel issue should be owned by the team that can inventory the asset, validate the fix, and enforce exposure reduction.
When you have to defer remediation, document the exception with an expiration date and a compensating control that is actually observable. A vague “mitigated” status is weak unless you can show the host is isolated, monitored, and no longer accepting untrusted traffic. For background on how exploited vulnerabilities should be triaged and verified, Zero-Day and Exploited Vulnerabilities Guide is the most relevant internal reference.
Risk and Threat Considerations
Privilege escalation vulnerabilities are attractive because they compress attacker effort: once a system is reached, the flaw can turn limited access into control over the local host. In a Windows environment, that can be enough to disable defenses, harvest cached credentials, or prepare lateral movement into more valuable systems.
Failure mechanism: The attacker first gains a foothold through another weakness, then uses the kernel flaw to elevate privileges on the compromised machine. If the host is exposed or poorly monitored, the escalation can happen before defenders notice the initial intrusion.
Impact: A successful escalation can undermine endpoint trust, accelerate credential theft, and widen the incident from a single workstation or server to adjacent systems with shared administrative access.
Standards & Framework Alignment
This section maps relevant standards and security frameworks to the operational risks and controls described in this guidance.
MITRE ATT&CK addresses the attack and risk surface, while CIS Controls v8, NIST SP 800-53 Rev 5 and NIST CSF 2.0 set the governance and control requirements practitioners need to meet.
| Framework | Control / Reference | Relevance |
|---|---|---|
| CIS Controls v8 | CIS-7 — Continuous Vulnerability Management | Exploited Windows CVEs require continuous identification and remediation of vulnerable assets. |
| Recommendation — Prioritise and verify remediation of exploited Windows hosts through continuous vulnerability management. | ||
| NIST SP 800-53 Rev 5 | RA-5 — Vulnerability Monitoring and Scanning | This CVE demands asset discovery, patch verification, and follow-up exposure assessment. |
| SI-2 — Flaw Remediation | The answer centers on applying the vendor update or mitigation for an actively exploited flaw. | |
| Recommendation — Scan Windows assets, validate remediation, and track residual exposure until closure. Apply the vendor fix or documented mitigation and confirm it is deployed on every affected host. | ||
| MITRE ATT&CK | T1068 — Exploitation for Privilege Escalation | The CVE is a privilege-escalation flaw used in the wild. |
| Recommendation — Hunt for privilege-escalation activity and correlate it with any signs of initial access. | ||
| NIST CSF 2.0 | DE.CM-01 — Networks and network services are monitored to find potentially adverse events | Post-remediation logging and hunting are needed to detect earlier exploitation. |
| Recommendation — Monitor Windows hosts for anomalous activity that may indicate exploitation before patching. | ||
Practitioner Guidance
What to prioritise: Patch externally reachable Windows systems and any host with privileged users first, because those systems create the highest-value escalation path. If patching cannot happen immediately, remove direct exposure before you spend time on deeper forensic work.
What to verify: Confirm the security update or documented mitigation is present on the actual host, then validate that the host no longer has an exploitable exposure path. If logs show suspicious service creation, abnormal admin activity, or privilege changes, treat the system as potentially compromised.
Practitioner takeaway: For exploited Windows kernel issues, the right sequence is exposure reduction, verified remediation, then compromise review, not patching in isolation after the fact.
Related resources from NHI Mgmt Group
- How do you patch or mitigate CVE-2024-38107 (Microsoft Windows Power Dependency Coordinator Privilege Escalation)?
- How do you patch or mitigate CVE-2014-1812 (Microsoft Windows Group Policy Preferences Password Privilege Escalation)?
- How do you patch or mitigate CVE-2019-1388 (Microsoft Windows Certificate Dialog Privilege Escalation)?
- How do you patch or mitigate CVE-2024-30088 (Microsoft Windows Kernel TOCTOU Race Condition)?