How severe is CVE-2022-21999?

CVE-2022-21999 has a CVSS 3.1 base score of 7.8 (HIGH). EPSS estimates a 41.0% probability of exploitation in the next 30 days. It is listed in the CISA Known Exploited Vulnerabilities catalog.

CVE-2022-21999: Windows Print Spooler Elevation of Privilege

CISA Known Exploited Vulnerabilities

Microsoft Windows Print Spooler Privilege Escalation Vulnerability is confirmed as actively exploited and is listed in the CISA KEV catalog.

Added to KEV

2022-03-25

Remediation due

2022-04-15

Ransomware

Known use

Required action
Apply updates per vendor instructions.

CISA notes
https://nvd.nist.gov/vuln/detail/CVE-2022-21999

Description

Windows Print Spooler Elevation of Privilege Vulnerability

Severity

CVSS 3.1 · CNA7.8 HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

SSVC · CISA-ADP

Exploitationactive

Automatableno

Technical impacttotal

Exploitation Context

as of October 17, 2026

All KEV statistics→

CISA added CVE-2022-21999 to the KEV catalog 44 days after its CVE record was published.
It is one of 391 Microsoft entries in the CISA KEV catalog, and one of 166 added in 2022.
Its current EPSS score (41.0%) is higher than that of 46% of CISA KEV entries.

Affected Products

Vendor	Product	Affected versions
Microsoft	Microsoft Windows 10 Version 1809	10.0.17763.0 to <10.0.17763.2565
Microsoft	Microsoft Windows 10 Version 1809	10.0.0 to <10.0.17763.2565
Microsoft	Microsoft Windows Server 2019	10.0.17763.0 to <10.0.17763.2565
Microsoft	Microsoft Windows Server 2019 (Server Core installation)	10.0.17763.0 to <10.0.17763.2565
Microsoft	Microsoft Windows 10 Version 1909	10.0.0 to <10.0.18363.2094
Microsoft	Microsoft Windows 10 Version 21H1	10.0.0 to <10.0.19043.1526
Microsoft	Microsoft Windows Server 2022	10.0.20348.0 to <10.0.20348.524
Microsoft	Microsoft Windows 10 Version 20H2	10.0.0 to <10.0.19042.1526
Microsoft	Microsoft Windows Server version 20H2	10.0.0 to <10.0.19042.1526
Microsoft	Microsoft Windows 11 version 21H2	10.0.0 to <10.0.22000.493
Microsoft	Microsoft Windows 10 Version 21H2	10.0.19043.0 to <10.0.19044.1526
Microsoft	Microsoft Windows 10 Version 1507	10.0.10240.0 to <10.0.10240.19204
Microsoft	Microsoft Windows 10 Version 1607	10.0.14393.0 to <10.0.14393.4946
Microsoft	Microsoft Windows Server 2016	10.0.14393.0 to <10.0.14393.4946
Microsoft	Microsoft Windows Server 2016 (Server Core installation)	10.0.14393.0 to <10.0.14393.4946
Microsoft	Microsoft Windows 7	6.1.0 to <6.1.7601.25860
Microsoft	Microsoft Windows 7 Service Pack 1	6.1.0 to <6.1.7601.25860
Microsoft	Microsoft Windows 8.1	6.3.0 to <6.3.9600.20269
Microsoft	Microsoft Windows Server 2008 Service Pack 2	6.0.6003.0 to <6.0.6003.21374
Microsoft	Microsoft Windows Server 2008 Service Pack 2 (Server Core installation)	6.0.6003.0 to <6.0.6003.21374
Microsoft	Microsoft Windows Server 2008 Service Pack 2	6.0.6003.0 to <6.0.6003.21374
Microsoft	Microsoft Windows Server 2008 R2 Service Pack 1	6.1.7601.0 to <6.1.7601.25860
Microsoft	Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation)	6.1.7601.0 to <6.1.7601.25860
Microsoft	Microsoft Windows Server 2012	6.2.9200.0 to <6.2.9200.23605
Microsoft	Microsoft Windows Server 2012 (Server Core installation)	6.2.9200.0 to <6.2.9200.23605
Microsoft	Microsoft Windows Server 2012 R2	6.3.9600.0 to <6.3.9600.20269
Microsoft	Microsoft Windows Server 2012 R2 (Server Core installation)	6.3.9600.0 to <6.3.9600.20269

References

1 Links

Vendor advisories

Windows Print Spooler Elevation of Privilege Vulnerability

Record Details

Published

2022-02-09

Last updated

2025-10-21

Assigner (CNA)

microsoft

Credited to

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CVE record data © The MITRE Corporation, used under the CVE Terms of Use. Exploited-in-the-wild data from the CISA Known Exploited Vulnerabilities catalog (CC0). Exploit prediction scores by FIRST EPSS (first.org/epss). This site is not endorsed or certified by MITRE, NVD, CISA, or FIRST.