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Vulnerabilities

Vulnerability · CVE-2022-21999

Microsoft Windows Print Spooler Privilege Escalation Vulnerability

Published Feb 9, 2022 · catalog updated Jun 16, 2026 · Microsoft Windows

Patch now

CVE-2022-21999 is in the CISA known-exploited catalog, due Apr 15, 2022. Confirm Microsoft Windows against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
Severity
High7.8
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
41.01%
Remediation
Remediation guidance
Affected products
cpe microsoft/windows 10 1507 · cpe microsoft/windows 10 1607 · cpe microsoft/windows 10 1809 · cpe microsoft/windows 10 1909 · cpe microsoft/windows 10 20h2 · cpe microsoft/windows 10 21h1

Microsoft Windows Print Spooler contains an unspecified vulnerability which can allow for privilege escalation.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe microsoft/windows 10 1507version unspecified
  • cpe microsoft/windows 10 1607version unspecified
  • cpe microsoft/windows 10 1809version unspecified
  • cpe microsoft/windows 10 1909version unspecified
  • cpe microsoft/windows 10 20h2version unspecified
  • cpe microsoft/windows 10 21h1version unspecified
  • cpe microsoft/windows 10 21h2version unspecified
  • cpe microsoft/windows 11 21h2version unspecified
  • vendor Microsoft Windowsversion unspecified

How to fix CVE-2022-21999

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2022-21999 is in the CISA known-exploited catalog, due Apr 15, 2022. Confirm Microsoft Windows against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Affected version ranges are not on this record. Apply updates per vendor instructions.

What should an analyst verify?

CWE-1386; CWE-22: Path Traversal; CWE-40. EPSS 41.01%. The CISA KEV listing is the exploitation evidence. A public exploit reference is linked in Sources. That is not the same as confirmed exploitation. Use the source links for the original advisory.

Technology hubs

Windows security

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Feb 9, 2022 · Catalog

    Detected

    Microsoft Windows Print Spooler contains an unspecified vulnerability which can allow for privilege escalation.

  2. Mar 25, 2022 · CISA KEV

    Known exploited

    Apply updates per vendor instructions.

  3. Apr 15, 2022 · CISA KEV

    Remediation due

    Apply updates per vendor instructions.

  4. Jun 16, 2026 · Catalog

    Updated

    Microsoft Windows Print Spooler contains an unspecified vulnerability which can allow for privilege escalation.

Sources

  • CISA KEVConfirmed exploitationCVE-2022-21999

    Microsoft Windows Print Spooler contains an unspecified vulnerability which can allow for privilege escalation.

    cisa.gov
  • CVE.orgVulnerability recordCVE-2022-21999

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2022-21999

    30-day exploitation probability 41.0%

    first.org
  • Metasploit ModulesPublic exploit moduleexploit_windows/local/cve_2022_21999_spoolfool_privesc

    Public module reference (normal). Module source is not copied into this catalog.

    rapid7.com
  • NIST NVDVulnerability recordCVE-2022-21999

    Windows Print Spooler Elevation of Privilege Vulnerability

    nvd.nist.gov
  • VulnCheck KEVConfirmed exploitationCVE-2022-21999

    Microsoft Windows Print Spooler contains an unspecified vulnerability which can allow for privilege escalation.

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 17, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.