All vulnerabilities
CVE-2022-21999

Microsoft Windows Print Spooler Privilege Escalation Vulnerability

Microsoft WindowsOperating systems
Open in ThreatlineRecord JSON
CVSS
7.8High
ExploitationExploited in the wildAdded to KEV 25 Mar 2022. Known ransomware useCISA KEV
Exploit odds (EPSS)41.0%Chance of exploitation activity in the next 30 days, higher than 98% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed in10.0.17763.2565Also 10.0.18363.2094, 10.0.19043.1526 and 10 moreCVE List
Federal deadline15 Apr 2022Remediation due date for US federal agenciesCISA KEV
CISA required actionApply updates per vendor instructions. CISA KEV

What fixes it

  • 10.0.17763.2565Windows 10 Version 1809CVE List
  • 10.0.17763.2565Windows Server 2019CVE List
  • 10.0.17763.2565Windows Server 2019 (Server Core installation)CVE List
  • 10.0.18363.2094Windows 10 Version 1909CVE List
  • 10.0.19043.1526Windows 10 Version 21H1CVE List
  • 10.0.20348.524Windows Server 2022CVE List
Show all 26 fixed versions
  • 10.0.19042.1526Windows 10 Version 20H2CVE List
  • 10.0.19042.1526Windows Server version 20H2CVE List
  • 10.0.22000.493Windows 11 version 21H2CVE List
  • 10.0.19044.1526Windows 10 Version 21H2CVE List
  • 10.0.10240.19204Windows 10 Version 1507CVE List
  • 10.0.14393.4946Windows 10 Version 1607CVE List
  • 10.0.14393.4946Windows Server 2016CVE List
  • 10.0.14393.4946Windows Server 2016 (Server Core installation)CVE List
  • 6.1.7601.25860Windows 7CVE List
  • 6.1.7601.25860Windows 7 Service Pack 1CVE List
  • 6.3.9600.20269Windows 8.1CVE List
  • 6.0.6003.21374Windows Server 2008 Service Pack 2CVE List
  • 6.0.6003.21374Windows Server 2008 Service Pack 2 (Server Core installation)CVE List
  • 6.0.6003.21374Windows Server 2008 Service Pack 2CVE List
  • 6.1.7601.25860Windows Server 2008 R2 Service Pack 1CVE List
  • 6.1.7601.25860Windows Server 2008 R2 Service Pack 1 (Server Core installation)CVE List
  • 6.2.9200.23605Windows Server 2012CVE List
  • 6.2.9200.23605Windows Server 2012 (Server Core installation)CVE List
  • 6.3.9600.20269Windows Server 2012 R2CVE List
  • 6.3.9600.20269Windows Server 2012 R2 (Server Core installation)CVE List

A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.

Timeline

  1. 8 Feb 2022Exploit code publicMetasploit
  2. 9 Feb 2022, 16:36 UTCPublishedCVE List
  3. 25 Mar 2022Added to CISA KEVCISA KEV

Public exploit code and templates 1

  • Exploit moduleCVE-2022-21999 SpoolFool Privesc 8 Feb 2022Metasploit

Listed so defenders can prioritize. Threatline links to the source and does not host exploit code.

Description

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

Text from CVE List

Affected versions 27

  • Windows 10 Version 1809affected: 10.0.17763.0 before 10.0.17763.2565CVE List
  • Windows 10 Version 1809affected: 10.0.0 before 10.0.17763.2565CVE List
  • Windows Server 2019affected: 10.0.17763.0 before 10.0.17763.2565CVE List
  • Windows Server 2019 (Server Core installation)affected: 10.0.17763.0 before 10.0.17763.2565CVE List
  • Windows 10 Version 1909affected: 10.0.0 before 10.0.18363.2094CVE List
  • Windows 10 Version 21H1affected: 10.0.0 before 10.0.19043.1526CVE List
  • Windows Server 2022affected: 10.0.20348.0 before 10.0.20348.524CVE List
  • Windows 10 Version 20H2affected: 10.0.0 before 10.0.19042.1526CVE List
  • Windows Server version 20H2affected: 10.0.0 before 10.0.19042.1526CVE List
  • Windows 11 version 21H2affected: 10.0.0 before 10.0.22000.493CVE List
  • Windows 10 Version 21H2affected: 10.0.19043.0 before 10.0.19044.1526CVE List
  • Windows 10 Version 1507affected: 10.0.10240.0 before 10.0.10240.19204CVE List
  • Windows 10 Version 1607affected: 10.0.14393.0 before 10.0.14393.4946CVE List
  • Windows Server 2016affected: 10.0.14393.0 before 10.0.14393.4946CVE List
  • Windows Server 2016 (Server Core installation)affected: 10.0.14393.0 before 10.0.14393.4946CVE List
  • Windows 7affected: 6.1.0 before 6.1.7601.25860CVE List
  • Windows 7 Service Pack 1affected: 6.1.0 before 6.1.7601.25860CVE List
  • Windows 8.1affected: 6.3.0 before 6.3.9600.20269CVE List
  • Windows Server 2008 Service Pack 2affected: 6.0.6003.0 before 6.0.6003.21374CVE List
  • Windows Server 2008 Service Pack 2 (Server Core installation)affected: 6.0.6003.0 before 6.0.6003.21374CVE List
  • Windows Server 2008 Service Pack 2affected: 6.0.6003.0 before 6.0.6003.21374CVE List
  • Windows Server 2008 R2 Service Pack 1affected: 6.1.7601.0 before 6.1.7601.25860CVE List
  • Windows Server 2008 R2 Service Pack 1 (Server Core installation)affected: 6.1.7601.0 before 6.1.7601.25860CVE List
  • Windows Server 2012affected: 6.2.9200.0 before 6.2.9200.23605CVE List
  • Windows Server 2012 (Server Core installation)affected: 6.2.9200.0 before 6.2.9200.23605CVE List
  • Windows Server 2012 R2affected: 6.3.9600.0 before 6.3.9600.20269CVE List
  • Windows Server 2012 R2 (Server Core installation)affected: 6.3.9600.0 before 6.3.9600.20269CVE List

References 3