CVE-2022-21999

Windows Print Spooler Elevation of Privilege Vulnerability

Windows Print Spooler Elevation of Privilege Vulnerability

Affected

Microsoft · Windows 10 Version 1809 · Windows Server 2019 · Windows Server 2019 (Server Core installation) · Windows 10 Version 1909 · Windows 10 Version 21H1 · Windows Server 2022

CVSS v3.1 MICROSOFT

7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0 NVD

4.6 MEDIUMAV:L/AC:L/Au:N/C:P/I:P/A:P

EPSS

41.01% chance of exploitation in the next 30 days, 99th percentile

CISA KEV

added 2022-03-25, used in ransomware campaigns

Published

2022-02-09

Updated

2025-10-21

Proof-of-concept exploits (2)

• ly4k/SpoolFool793★ · 2022-02-09
• tzwlhack/SpoolFool0★ · 2022-03-26

Metasploit modules (1)

• rapid7/metasploit-framework/blob/master/modules/exploits/windows/local/cve_2022_21999_spo…

Exploit collections (1)

• CVE-2022-21999helloexp/0day

Security advisories

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-21999

References

• CVE Record
• NVD entry

Related

• CVE-2020-0601
• CVE-2021-36942
• CVE-2021-4034
• CVE-2021-40449
• CVE-2021-42278
• CVE-2022-22718