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TI-2021-15034 Aliases CVE-2021-36958GHSA-37q4-472r-ppmr

Windows Print Spooler Remote Code Execution Vulnerability

Priority MEDIUM 58Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Microsoft. Impact type from Microsoft.

Summary

A remote code execution vulnerability exists when the Windows Print Spooler service improperly performs privileged file operations. An attacker who successfully exploited this vulnerability could run arbitrary code with SYSTEM privileges. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.

Why it matters now

EPSS 0.30794 98th percentileScored 2026-11-07
Fix Fixed Microsoft: 13 updates

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
MicrosoftWindows 10 Version 150710.0.10240.0 to before 10.0.10240.1906010.0.10240.19060Patch availableCNA
MicrosoftWindows 10 Version 160710.0.14393.0 to before 10.0.14393.465110.0.14393.4651Patch availableCNA
MicrosoftWindows 10 Version 180910.0.17763.0 to before 10.0.17763.218310.0.17763.2183Patch availableCNA
MicrosoftWindows 10 Version 180910.0.0 to before 10.0.17763.218310.0.17763.2183Patch availableCNA
MicrosoftWindows 10 Version 190910.0.0 to before 10.0.18363.180110.0.18363.1801Patch availableCNA
MicrosoftWindows 10 Version 200410.0.0 to before 10.0.19041.123710.0.19041.1237Patch availableCNA
MicrosoftWindows 10 Version 20H210.0.0 to before 10.0.19042.123710.0.19042.1237Patch availableCNA
MicrosoftWindows 10 Version 21H110.0.0 to before 10.0.19043.123710.0.19043.1237Patch availableCNA
MicrosoftWindows 76.1.0 to before 6.1.7601.257126.1.7601.25712Patch availableCNA
MicrosoftWindows 7 Service Pack 16.1.0 to before 6.1.7601.257126.1.7601.25712Patch availableCNA
MicrosoftWindows 8.16.3.0 to before 6.3.9600.201206.3.9600.20120Patch availableCNA
MicrosoftWindows Server 2008 R2 Service Pack 16.1.7601.0 to before 6.1.7601.257126.1.7601.25712Patch availableCNA
MicrosoftWindows Server 2008 R2 Service Pack 1 (Server Core installation)6.1.7601.0 to before 6.1.7601.257126.1.7601.25712Patch availableCNA
MicrosoftWindows Server 2008 Service Pack 26.0.6003.0 to before 6.0.6003.212186.0.6003.21218Patch availableCNA
MicrosoftWindows Server 2008 Service Pack 2 (Server Core installation)6.0.6003.0 to before 6.0.6003.212186.0.6003.21218Patch availableCNA
MicrosoftWindows Server 20126.2.9200.0 to before 6.2.9200.234626.2.9200.23462Patch availableCNA
MicrosoftWindows Server 2012 (Server Core installation)6.2.9200.0 to before 6.2.9200.234626.2.9200.23462Patch availableCNA
MicrosoftWindows Server 2012 R26.3.9600.0 to before 6.3.9600.201206.3.9600.20120Patch availableCNA
MicrosoftWindows Server 2012 R2 (Server Core installation)6.3.9600.0 to before 6.3.9600.201206.3.9600.20120Patch availableCNA
MicrosoftWindows Server 201610.0.14393.0 to before 10.0.14393.465110.0.14393.4651Patch availableCNA
MicrosoftWindows Server 2016 (Server Core installation)10.0.14393.0 to before 10.0.14393.465110.0.14393.4651Patch availableCNA
MicrosoftWindows Server 201910.0.17763.0 to before 10.0.17763.218310.0.17763.2183Patch availableCNA
MicrosoftWindows Server 2019 (Server Core installation)10.0.17763.0 to before 10.0.17763.218310.0.17763.2183Patch availableCNA
MicrosoftWindows Server version 200410.0.0 to before 10.0.19041.123710.0.19041.1237Patch availableCNA
MicrosoftWindows Server version 20H210.0.0 to before 10.0.19042.123710.0.19042.1237Patch availableCNA
  • Windows 10 Version 1507 VendorMicrosoft Affected 10.0.10240.0 to before 10.0.10240.19060 Fixed in 10.0.10240.19060 Patch available CNA
  • Windows 10 Version 1607 VendorMicrosoft Affected 10.0.14393.0 to before 10.0.14393.4651 Fixed in 10.0.14393.4651 Patch available CNA
  • Windows 10 Version 1809 VendorMicrosoft Affected 10.0.17763.0 to before 10.0.17763.2183 Fixed in 10.0.17763.2183 Patch available CNA
  • Windows 10 Version 1809 VendorMicrosoft Affected 10.0.0 to before 10.0.17763.2183 Fixed in 10.0.17763.2183 Patch available CNA
  • Windows 10 Version 1909 VendorMicrosoft Affected 10.0.0 to before 10.0.18363.1801 Fixed in 10.0.18363.1801 Patch available CNA
  • Windows 10 Version 2004 VendorMicrosoft Affected 10.0.0 to before 10.0.19041.1237 Fixed in 10.0.19041.1237 Patch available CNA
  • Windows 10 Version 20H2 VendorMicrosoft Affected 10.0.0 to before 10.0.19042.1237 Fixed in 10.0.19042.1237 Patch available CNA
  • Windows 10 Version 21H1 VendorMicrosoft Affected 10.0.0 to before 10.0.19043.1237 Fixed in 10.0.19043.1237 Patch available CNA
  • Windows 7 VendorMicrosoft Affected 6.1.0 to before 6.1.7601.25712 Fixed in 6.1.7601.25712 Patch available CNA
  • Windows 7 Service Pack 1 VendorMicrosoft Affected 6.1.0 to before 6.1.7601.25712 Fixed in 6.1.7601.25712 Patch available CNA
  • Windows 8.1 VendorMicrosoft Affected 6.3.0 to before 6.3.9600.20120 Fixed in 6.3.9600.20120 Patch available CNA
  • Windows Server 2008 R2 Service Pack 1 VendorMicrosoft Affected 6.1.7601.0 to before 6.1.7601.25712 Fixed in 6.1.7601.25712 Patch available CNA
  • Windows Server 2008 R2 Service Pack 1 (Server Core installation) VendorMicrosoft Affected 6.1.7601.0 to before 6.1.7601.25712 Fixed in 6.1.7601.25712 Patch available CNA
  • Windows Server 2008 Service Pack 2 VendorMicrosoft Affected 6.0.6003.0 to before 6.0.6003.21218 Fixed in 6.0.6003.21218 Patch available CNA
  • Windows Server 2008 Service Pack 2 (Server Core installation) VendorMicrosoft Affected 6.0.6003.0 to before 6.0.6003.21218 Fixed in 6.0.6003.21218 Patch available CNA
  • Windows Server 2012 VendorMicrosoft Affected 6.2.9200.0 to before 6.2.9200.23462 Fixed in 6.2.9200.23462 Patch available CNA
  • Windows Server 2012 (Server Core installation) VendorMicrosoft Affected 6.2.9200.0 to before 6.2.9200.23462 Fixed in 6.2.9200.23462 Patch available CNA
  • Windows Server 2012 R2 VendorMicrosoft Affected 6.3.9600.0 to before 6.3.9600.20120 Fixed in 6.3.9600.20120 Patch available CNA
  • Windows Server 2012 R2 (Server Core installation) VendorMicrosoft Affected 6.3.9600.0 to before 6.3.9600.20120 Fixed in 6.3.9600.20120 Patch available CNA
  • Windows Server 2016 VendorMicrosoft Affected 10.0.14393.0 to before 10.0.14393.4651 Fixed in 10.0.14393.4651 Patch available CNA
  • Windows Server 2016 (Server Core installation) VendorMicrosoft Affected 10.0.14393.0 to before 10.0.14393.4651 Fixed in 10.0.14393.4651 Patch available CNA
  • Windows Server 2019 VendorMicrosoft Affected 10.0.17763.0 to before 10.0.17763.2183 Fixed in 10.0.17763.2183 Patch available CNA
  • Windows Server 2019 (Server Core installation) VendorMicrosoft Affected 10.0.17763.0 to before 10.0.17763.2183 Fixed in 10.0.17763.2183 Patch available CNA
  • Windows Server version 2004 VendorMicrosoft Affected 10.0.0 to before 10.0.19041.1237 Fixed in 10.0.19041.1237 Patch available CNA
  • Windows Server version 20H2 VendorMicrosoft Affected 10.0.0 to before 10.0.19042.1237 Fixed in 10.0.19042.1237 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*not specified by NVDVulnerableMicrosoft
  • cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Microsoft

Remediation

Microsoft 13 updates

  • KB5005633
    Monthly Rollup
    • Windows 7 for 32-bit Systems Service Pack 1 6.1.7601.25712
    • Windows 7 for x64-based Systems Service Pack 1 6.1.7601.25712
    • Windows Server 2008 R2 for x64-based Systems Service Pack 1 6.1.7601.25712
    • Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) 6.1.7601.25712
  • KB5005627
    Security Only
    • Windows 8.1 for 32-bit systems 6.3.9600.20120
    • Windows 8.1 for x64-based systems 6.3.9600.20120
    • Windows Server 2012 R2 6.3.9600.20120
    • Windows Server 2012 R2 (Server Core installation) 6.3.9600.20120
  • KB5005623
    Monthly Rollup
    • Windows Server 2012 6.2.9200.23462
    • Windows Server 2012 (Server Core installation) 6.2.9200.23462
Show 10 more Microsoft updates
  • KB5005618
    Security Only
    • Windows Server 2008 for 32-bit Systems Service Pack 2 6.0.6003.21218
    • Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) 6.0.6003.21218
    • Windows Server 2008 for x64-based Systems Service Pack 2 6.0.6003.21218
    • Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) 6.0.6003.21218
  • KB5005615
    Security Only
    • Windows 7 for 32-bit Systems Service Pack 1 6.1.7601.25712
    • Windows 7 for x64-based Systems Service Pack 1 6.1.7601.25712
    • Windows Server 2008 R2 for x64-based Systems Service Pack 1 6.1.7601.25712
    • Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) 6.1.7601.25712
  • KB5005613
    Monthly Rollup
    • Windows 8.1 for 32-bit systems 6.3.9600.20120
    • Windows 8.1 for x64-based systems 6.3.9600.20120
    • Windows RT 8.1 6.3.9600.20120
    • Windows Server 2012 R2 6.3.9600.20120
    • Windows Server 2012 R2 (Server Core installation) 6.3.9600.20120
  • KB5005607
    Security Only
    • Windows Server 2012 6.2.9200.23462
    • Windows Server 2012 (Server Core installation) 6.2.9200.23462
  • KB5005606
    Monthly Rollup
    • Windows Server 2008 for 32-bit Systems Service Pack 2 6.0.6003.21218
    • Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) 6.0.6003.21218
    • Windows Server 2008 for x64-based Systems Service Pack 2 6.0.6003.21218
    • Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) 6.0.6003.21218
  • KB5005573
    Security Update
    • Windows 10 Version 1607 for 32-bit Systems 10.0.14393.4651
    • Windows 10 Version 1607 for x64-based Systems 10.0.14393.4651
    • Windows Server 2016 10.0.14393.4651
    • Windows Server 2016 (Server Core installation) 10.0.14393.4651
  • KB5005569
    Security Update
    • Windows 10 for 32-bit Systems 10.0.10240.19060
    • Windows 10 for x64-based Systems 10.0.10240.19060
  • KB5005568
    Security Update
    • Windows 10 Version 1809 for 32-bit Systems 10.0.17763.2183
    • Windows 10 Version 1809 for ARM64-based Systems 10.0.17763.2183
    • Windows 10 Version 1809 for x64-based Systems 10.0.17763.2183
    • Windows Server 2019 10.0.17763.2183
    • Windows Server 2019 (Server Core installation) 10.0.17763.2183
  • KB5005566
    Security Update
    • Windows 10 Version 1909 for 32-bit Systems 10.0.18363.1801
    • Windows 10 Version 1909 for ARM64-based Systems 10.0.18363.1801
    • Windows 10 Version 1909 for x64-based Systems 10.0.18363.1801
  • KB5005565
    Security Update
    • Windows 10 Version 2004 for 32-bit Systems 10.0.19041.1237
    • Windows 10 Version 2004 for ARM64-based Systems 10.0.19041.1237
    • Windows 10 Version 2004 for x64-based Systems 10.0.19041.1237
    • Windows 10 Version 20H2 for 32-bit Systems 10.0.19042.1237
    • Windows 10 Version 20H2 for ARM64-based Systems 10.0.19042.1237
    • Windows 10 Version 21H1 for 32-bit Systems 10.0.19043.1237
    • Windows 10 Version 21H1 for ARM64-based Systems 10.0.19043.1237
    • Windows 10 Version 21H1 for x64-based Systems 10.0.19043.1237
    • Windows Server, version 2004 (Server Core installation) 10.0.19041.1237
    • Windows Server, version 20H2 (Server Core Installation) 10.0.19042.1237

Vendor assessments

Microsoft

Microsoft's page for this CVE →

Impact
Remote Code Execution
Exploited
No
Publicly disclosed
Yes
Exploitability
Exploitation More Likely

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-36958
  2. 2026-10-03 Alias added: GHSA-37q4-472r-ppmr

References

Patch 2

  • TI-2008-03872 Microsoft Windows 2000 Gold through SP4, XP Gold through SP3, Server 2003 SP1 and SP2… CVSS 2.0HIGH 9.3
  • TI-2007-05142 Integer overflow in GDI+ in Microsoft Internet Explorer 6 SP1, Windows XP SP2 and SP3… CVSS 2.0HIGH 9.3
  • TI-2015-03941 Directory traversal vulnerability in the routing component in ownCloud Server before… CVSS 2.0HIGH 10.0
  • TI-2015-02708 Adobe Reader and Acrobat 10.x before 10.1.14 and 11.x before 11.0.11 on Windows and OS X… CVSS 2.0HIGH 10.0
  • TI-2008-02884 gdiplus.dll in GDI+ in Microsoft Internet Explorer 6 SP1, Windows XP SP2 and SP3, Server… CVSS 2.0HIGH 9.3
  • TI-2010-03000 Untrusted search path vulnerability in Microsoft Windows Progman Group Converter… CVSS 2.0HIGH 9.3
See all 75 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences