CVE-2022-41073 is a print spooler privilege escalation vulnerability in Microsoft Windows. CISA added it to the Known Exploited Vulnerabilities catalogue on 8 November 2022, which means attackers have used it in real attacks. Microsoft Windows Print Spooler contains an unspecified vulnerability that allows an attacker to gain SYSTEM-level privileges.
What this vulnerability means in practice
This CVE matters because Print Spooler has historically sat at a high-trust boundary in Windows, and a privilege escalation flaw in that service can turn limited access into full local control. On an affected system, that usually means the attacker is no longer constrained by the original user account and can operate with SYSTEM-level authority.
Privilege escalation vulnerabilities are dangerous in enterprise environments because they often serve as the bridge between initial access and durable compromise. Once an attacker can run code as SYSTEM, they can tamper with security tooling, change local configuration, and stage follow-on activity that would be blocked under a normal user context.
Why print spooler flaws are especially valuable to attackers
Print Spooler is a long-standing Windows component that many organisations still expose broadly for business convenience, which makes its attack surface attractive. If the service is reachable and exploitable, an attacker may not need special credentials beyond the ability to execute code on the target host.
This is why spooler issues often appear in real intrusion chains, not just proof-of-concept demonstrations. They are useful for turning a foothold into elevated control, which can then support persistence, defence evasion, local reconnaissance, and access to adjacent systems.
For readers tracking exploit patterns, MITRE ATT&CK Enterprise Matrix is the most useful external reference for understanding how privilege escalation fits into a broader intrusion path.
How organisations assess exposure and reduce attack surface
Exposure review starts with confirming which endpoints still run the vulnerable Windows Print Spooler service, then checking whether those assets are user-facing, internet-reachable, or exposed to untrusted internal networks. Asset inventory matters here because a single overlooked workstation, VDI image, or server can remain exploitable long after the main estate is patched.
When patching lags, compensating controls should reduce the chance that the service can be abused at all. That usually means limiting unnecessary Spooler exposure, tightening local administrative pathways, and ensuring vulnerable hosts are prioritised based on business criticality and reachability rather than on patch age alone.
For authoritative version and remediation details, use the CVE Program entry and the NIST National Vulnerability Database record instead of relying on secondary summaries.
Detection, remediation, and compromise review
Detection should focus on the moment privilege changes, not just the presence of the CVE. In practice that means looking for unusual SYSTEM context execution, suspicious service activity, new administrative artefacts, or changes that coincide with unexpected spooler behaviour on endpoints that should not be administering print infrastructure.
After remediation, organisations should review the host for signs that the privilege escalation was used as an entry point for broader compromise. A local SYSTEM-level exploit can be enough to install persistence, disable telemetry, harvest credentials from memory, or prepare lateral movement into higher-value systems.
If the host was compromised before patching, rotate any credentials, tokens, or service secrets that could have been exposed from that machine, especially where the system had administrative tooling, cached sessions, or privileged service access.
Risk and Threat Considerations
Because this CVE has already been added to CISA’s Known Exploited Vulnerabilities catalogue, it should be treated as an active exploitation risk rather than a theoretical hardening issue. The main concern is not just local elevation, but the attacker’s ability to convert one compromised endpoint into a platform for deeper intrusion.
Failure mechanism: The vulnerable Print Spooler service can let an attacker move from a limited user context to SYSTEM-level execution, which breaks the usual trust boundary on the host.
Impact: That elevated control can support persistence, security-tool interference, credential exposure, and faster lateral movement across the Windows environment.
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 surface, NIST SP 800-53 Rev 5, CIS Controls v8 and NIST CSF 2.0 set the technical controls, and ISO/IEC 27001:2022 defines the regulatory obligations.
| Framework | Control / Reference | Relevance |
|---|---|---|
| MITRE ATT&CK | T1068 — Exploitation for Privilege Escalation | This CVE is a privilege escalation path used after initial access. |
| Recommendation — Map observed abuse to privilege-escalation activity and hunt for post-exploit SYSTEM execution. | ||
| NIST SP 800-53 Rev 5 | SI-2 — Flaw Remediation | The term is a live Windows flaw that requires timely remediation and verification. |
| Recommendation — Prioritise patching and verify remediation status for exposed Windows hosts. | ||
| CIS Controls v8 | CIS-7 — Continuous Vulnerability Management | Exposure depends on identifying and remediating vulnerable endpoints quickly. |
| Recommendation — Continuously inventory, scan, and prioritise hosts running vulnerable Windows components. | ||
| NIST CSF 2.0 | PR.PS-02 — Removable Media Protection and Maintenance | Not selected |
| ISO/IEC 27001:2022 | A.8.8 — Management of Technical Vulnerabilities | The vulnerability requires formal tracking, assessment, and remediation. |
| Recommendation — Track, assess, and remediate the Windows flaw through a technical vulnerability process. | ||
Practitioner Guidance
Why practitioners should care: Treat print spooler privilege escalation as a host-control problem, not just a patching task. If the service is left broadly available, one overlooked endpoint can become a repeatable escalation path for an intruder who already has a foothold.
What to watch for: Prioritise systems where the spooler is unnecessary, where the host is high value, or where local admin paths are already crowded with other privilege pathways. That is where this CVE tends to matter most operationally.
Practitioner takeaway: Validate exposure against your live asset inventory, patch or constrain the service quickly, and verify post-fix that no SYSTEM-level compromise occurred before remediation.
Related resources from NHI Mgmt Group
- CVE-2022-38028 (Microsoft Windows Print Spooler Privilege Escalation Vulnerability)
- How do privilege escalation bugs in the Windows Print Spooler get turned into full SYSTEM compromise in practice?
- CVE-2014-1812 (Microsoft Windows Group Policy Preferences Password Privilege Escalation)
- CVE-2019-1388 (Microsoft Windows Certificate Dialog Privilege Escalation)