Junglewise Threat Intelligence

CVE-2022-21999: Microsoft Windows Print Spooler Privilege Escalation Vulnerability

CVE-2022-21999 · Severity: critical · CVSS 7.8 · Exploited in the wild · Published 2022-03-25

Technologies: Microsoft Windows Server 2022, Microsoft Windows Server 2008, Microsoft Windows, Microsoft Windows Server 2019, Microsoft Windows 8.1, Microsoft Windows 11, Microsoft Windows 7, Microsoft Windows Server 2012, Microsoft Windows 10, Microsoft Windows Server 2016. Vendors: Microsoft.

Executive brief

Microsoft Windows Print Spooler contains an elevation of privilege vulnerability involving improper limitation of a pathname (path traversal) and improper link resolution (link following). An attacker who successfully exploits this vulnerability could gain elevated system privileges.

Affected products

  • Microsoft Windows 10 up to (excluding) 10.0.19044.1526
  • Microsoft Windows 11 up to (excluding) 10.0.22000.493
  • Microsoft Windows Server 2022 up to (excluding) 10.0.20348.524
  • Microsoft Windows 7 SP1
  • Microsoft Windows 8.1
  • Microsoft Windows Server 2008 SP2, R2 SP1
  • Microsoft Windows Server 2012 R2
  • Microsoft Windows Server 2016 up to (excluding) 10.0.14393.4946
  • Microsoft Windows Server 2019 up to (excluding) 10.0.17763.2565

Timeline

  • 2022-03-25: disclosed
  • 2022-03-25: kev added: Added to CISA Known Exploited Vulnerabilities Catalog

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