How do you patch or mitigate CVE-2024-38107 (Microsoft Windows Power Dependency Coordinator Privilege Escalation)?

What you should do first for CVE-2024-38107

Start by finding every Windows system that could still be exposed, then verify whether Microsoft’s security update or a documented mitigation is available for that exact build. Because the flaw was actively exploited, treat this as an emergency patching problem, not a routine maintenance item. If mitigation is unavailable, the practical alternative is to remove the exposed system from service or cut off internet exposure until it can be remediated.

Use the vendor advisory and the CISA Known Exploited Vulnerabilities catalog to confirm the required action, then prioritise hosts that are internet-facing or reachable from higher-trust internal segments. If you have a large estate, focus on asset coverage first, because incomplete inventory is a common reason exploited Windows issues remain open after the patch window closes.

Where the product is embedded in a shared service or critical workflow, decide early whether you can safely patch in place or whether a short isolation window is the lower-risk choice. For actively exploited Windows flaws, delay is usually more dangerous than a controlled maintenance interruption.

How to mitigate when patching is delayed

If you cannot apply the fix immediately, reduce exposure with the strongest compensating control you can support operationally. That usually means removing public reachability, restricting administrative access paths, and limiting the affected system to only the traffic it genuinely needs. The goal is not to “cover” the bug, but to make exploitation materially harder while you prepare remediation.

If the affected host cannot be defended with a credible mitigation, discontinue use until a fix can be applied. That may be the right call for systems with weak change control, unsupported builds, or unclear ownership, because a partial mitigation on an unknown system often creates a false sense of safety.

Document the exception carefully, including who approved it, what exposure remains, and when the host will be revisited. For exploited vulnerabilities, unmanaged exceptions are often where compromise persists longest.

What to check after the update goes in

After patching, review logs and endpoint telemetry for signs that the flaw was used before remediation. The most useful question is whether the host behaved unusually around the time it was exposed, not whether the patch succeeded technically. Look for suspicious process creation, unexpected privilege changes, new services, odd remote administration activity, or lateral movement from the affected machine.

Because this is a privilege escalation issue, also inspect adjacent accounts and management planes for follow-on abuse. A successful local elevation can be the first step in credential theft, persistence, or broader internal movement, so a clean patch does not by itself prove the system was never compromised. MITRE ATT&CK Enterprise Matrix is useful here for mapping likely post-exploitation behavior such as privilege escalation, credential access, and lateral movement.

If you find evidence of exploitation, move from patching to incident response: isolate the host, preserve evidence, and assess whether any credentials, sessions, or administrative paths used on that system should be rotated or reissued. That decision should follow the blast radius, not the patch calendar.

Risk and Threat Considerations

Privilege-escalation flaws in Windows are valuable to attackers because they convert ordinary foothold access into higher privilege on the same system, which can then unlock persistence, credential access, and internal movement. When the issue is already being exploited in the wild, the practical risk is not theoretical exposure, but the chance that a low-complexity foothold becomes a wider compromise before your remediation window closes.

Failure mechanism: An attacker who can execute code or influence a vulnerable Windows host may use the flaw to gain elevated rights, then abuse those rights to alter security settings, harvest additional access material, or move to more sensitive systems.

Impact: The result can range from local system compromise to broader domain or environment exposure, especially if the affected machine has access to administrative tools, cached credentials, or privileged management channels.

Practitioner Guidance

What to prioritise: Patch internet-facing or operationally critical Windows systems first, then move inward to less exposed hosts. If you must stage remediation, focus on assets where a successful elevation would create the largest downstream blast radius.

What to verify: Confirm that your inventory includes every Windows instance, including virtual machines, remote endpoints, and systems owned by other teams. A patch programme that misses a single exposed host leaves the same exploitation path open.

Practitioner takeaway: For actively exploited Windows privilege-escalation CVEs, the real decision is not “patch now or later”, it is “how quickly can we remove the attacker’s easiest route to elevated access while preserving service safely enough to recover.”

Related resources from NHI Mgmt Group

• Guide: Zero-Day and Exploited Vulnerabilities Guide
• Is CVE-2024-38107 (Microsoft Windows Power Dependency Coordinator Privilege Escalation) being exploited in the wild?
• 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)?