Is CVE-2022-38028 (Microsoft Windows Print Spooler Privilege Escalation Vulnerability) being exploited in the wild?

What it means for a Windows Print Spooler flaw to be “exploited in the wild”

For this question, the key issue is not the vulnerability label alone, but whether there is evidence of active abuse. CISA’s inclusion of CVE-2022-38028 in the KEV catalogue is the operational signal to treat it as a live risk, not a theoretical one. For vulnerability triage, that usually moves the issue ahead of routine backlog items and into urgent response.

When a flaw affects a core Windows service such as Print Spooler, the practical concern is that exploitation can translate into privilege escalation on systems that were otherwise thought to be only mildly exposed. That changes the response posture: confirm exposure, verify whether the service is needed, and treat the affected endpoints as higher priority than low-impact software bugs.

For prioritisation, use the same logic you would apply to any zero-day and actively exploited vulnerability: confirmed exploitation evidence, ease of reachability, and blast radius matter more than abstract severity discussions. CISA’s KEV catalogue exists to separate “known exploited” issues from the much larger pool of merely published vulnerabilities.

Why this vulnerability deserves urgent operational treatment

The material consequence of a print spooler privilege escalation is that an attacker who reaches the vulnerable path may be able to move from a lower-privilege foothold to a more powerful position on the same host. In enterprise environments, that can become a stepping stone to broader compromise if the host also stores cached credentials, participates in administration workflows, or sits near sensitive internal systems.

A useful way to interpret the risk is that the vulnerability is not just about a single endpoint failing. It is about how much trust the environment places in that endpoint. A service that can be reached broadly and runs across many Windows systems can create a repeated exploitation opportunity, especially where patching is delayed or where the service remains enabled on systems that do not actually need it.

For teams that already track vulnerability management, the decision point is straightforward: a KEV-listed issue should be handled as an exception to normal scheduling, not folded into standard monthly remediation cadence. If the asset is internet-reachable, business-critical, or hard to rebuild, the remediation path should be escalated immediately.

How to verify exposure and contain risk before remediation is complete

Start by identifying where Print Spooler is enabled, which endpoints actually need it, and whether those systems are already in a hardened tier. On many networks, the service is enabled more broadly than operationally necessary, which increases the number of systems that must be checked and makes compensating controls more important while patching is underway.

If remediation cannot happen immediately, reduce exposure by limiting which systems can reach the vulnerable hosts, tightening administrative access, and removing the service from systems that do not require printing. That is especially important where the same Windows estate also supports privileged administration, because privilege escalation on those hosts is much more consequential than on isolated workstations.

Attackers who target exploited Windows flaws often look for follow-on access and credential opportunities after the initial foothold. For that reason, an alert on the vulnerability should also trigger a check for unusual service behaviour, new local administrators, suspicious remote administration activity, and any signs that the host was used as a launch point for lateral movement. For that broader detection and response lens, the MITRE ATT&CK Enterprise Matrix remains a useful reference for mapping exploitation to privilege escalation and post-compromise activity.

Risk and Threat Considerations

Once a privilege escalation flaw is publicly known to be exploited, the main risk is no longer only patch delay, it is unobserved compromise during that delay. A Windows service that is common across fleets can become a repeatable entry point, and the longer it remains unremediated, the more time attackers have to turn a local gain into persistence or lateral movement.

Failure mechanism: An attacker first needs a foothold or access path to the vulnerable host, then uses the Print Spooler weakness to elevate privileges and increase control over the system. From there, they can hide activity, tamper with security tools, or pivot into adjacent systems if the host has administrative reach.

Impact: The result can range from compromise of a single endpoint to broader domain-level exposure, depending on where the affected system sits in the environment and what privileges it can exercise. In high-trust Windows estates, privilege escalation bugs often matter because they shorten the path from initial access to meaningful operational damage.

Practitioner Guidance

What to prioritise: Treat KEV-listed vulnerabilities as a remediation queue of their own. If a vulnerable host is privileged, exposed, or difficult to monitor, move it ahead of ordinary patch cycles and verify whether the service is truly required.

What to verify: Confirm actual service presence, administrative reach, and whether any signs of suspicious logons or post-exploitation activity predate remediation. If patching is delayed, assume the host deserves heightened monitoring until the fix lands.

Practitioner takeaway: For an exploited Windows privilege escalation, the operational question is not “how bad is the CVE,” but “how quickly can an attacker turn one host into a stronger foothold before we remove the path.”

Related resources from NHI Mgmt Group

• How do you patch or mitigate CVE-2022-38028 (Microsoft Windows Print Spooler Privilege Escalation Vulnerability)?
• Is CVE-2022-22718 (Microsoft Windows Print Spooler Privilege Escalation) being exploited in the wild?
• Is CVE-2022-21999 (Microsoft Windows Print Spooler Privilege Escalation) being exploited in the wild?
• CVE-2022-38028 (Microsoft Windows Print Spooler Privilege Escalation Vulnerability)