SYSTEM code execution via undisclosed spooler flaw
Published Feb 9, 2022 · Updated Oct 21, 2025
Elevation of privilege in Microsoft Windows Print Spooler allows local users with low privileges to execute code as SYSTEM. Microsoft has not published the vulnerable function, input, or improper operation within the Print Spooler. Exploitation requires local low-privileged access to an affected build; success grants complete control in the SYSTEM security context.
Summary
What happened
Elevation of privilege in Microsoft Windows Print Spooler allows local users with low privileges to execute code as SYSTEM. Microsoft has not published the vulnerable function, input, or improper operation within the Print Spooler. Exploitation requires local low-privileged access to an affected build; success grants complete control in the SYSTEM security context.
The record
- CVE
- CVE-2022-22718
- Published
- Feb 9, 2022
- Updated
- Oct 21, 2025
- Vendor
- Microsoft
- Product
- Windows 10 Version 1507
- Classifications
- T1068
- Attack vector
- local
- Privileges
- authenticated
Timeline
How it unfolded
- Feb 9, 2022CVE publishedPublication date reported by the CVE source.
- Apr 19, 2022Exploitation reportedCISA Known Exploited Vulnerabilities Catalog listing
- Oct 21, 2025Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
Compare your product and version with the public record. A matching version still requires validation against your environment.
Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=10.0.10240.0 <10.0.10240.19204
What conditions does exploitation require?
What is affected?
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
No public exploit references are available in this record.
Labels summarize the accepted research assessment. They do not indicate a test against your environment.
Reported exploitation
- CISA Known Exploited Vulnerabilities Catalog listingknown exploited catalog
Technologies
Your stack
See the directory against your own environment.
Your stack
Check the software in your environment
Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.
Book a demo