CVEvulnerability
CVE-2021-1675
CISA Known Exploited Vulnerability
Microsoft Windows Print Spooler Remote Code Execution Vulnerability — Microsoft Windows
Microsoft Windows Print Spooler contains an unspecified vulnerability that allows for remote code execution.
- Added to KEV
- 2021-11-03
- Remediation due
- 2021-11-17
- Ransomware use
- Known
- Required action
- Apply updates per vendor instructions.
- Notes
- https://nvd.nist.gov/vuln/detail/CVE-2021-1675
- Status
- Analyzed
- Published
- 2021-06-08
- Last modified
- 2026-08-12
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- CVSS 3.1 ([email protected])
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 9.3 HIGH — AV:N/AC:M/Au:N/C:C/I:C/A:C
Description
Windows Print Spooler Remote Code Execution Vulnerability
Affected configurations
• microsoft windows 10 1507 (< 10.0.10240.18967)
• microsoft windows 10 1607 (< 10.0.14393.4467)
• microsoft windows 10 1809 (< 10.0.17763.1999)
• microsoft windows 10 1909 (< 10.0.18363.1621)
• microsoft windows 10 2004 (< 10.0.19041.1052)
• microsoft windows 10 20h2 (< 10.0.19042.1052)
• microsoft windows 10 21h1 (< 10.0.19043.1052)
• microsoft windows 7
• microsoft windows 8.1
• microsoft windows rt 8.1
• microsoft windows server 2004 (< 10.0.19041.1052)
• microsoft windows server 2008
• microsoft windows server 2008 r2
• microsoft windows server 2012
• microsoft windows server 2012 r2
• microsoft windows server 2016 (< 10.0.14393.4467)
• microsoft windows server 2019 (< 10.0.17763.1999)
References
- http://packetstormsecurity.com/files/163349/Microsoft-PrintNightmare-Proof-Of-Concept.html Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/163351/PrintNightmare-Windows-Spooler-Service-Remote-Code-Execution.html Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/167261/Print-Spooler-Remote-DLL-Injection.html Exploit, Third Party Advisory, VDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-1675 Patch, Vendor Advisory
- https://www.kb.cert.org/vuls/id/383432 Third Party Advisory, US Government Resource
- http://packetstormsecurity.com/files/163349/Microsoft-PrintNightmare-Proof-Of-Concept.html Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/163351/PrintNightmare-Windows-Spooler-Service-Remote-Code-Execution.html Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/167261/Print-Spooler-Remote-DLL-Injection.html Exploit, Third Party Advisory, VDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-1675 Patch, Vendor Advisory
- https://www.kb.cert.org/vuls/id/383432 Third Party Advisory, US Government Resource
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-1675 US Government Resource