CVSS 3.1
7.8 highCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HCVE-2021-1675
High (7.8) in Microsoft Windows. In CISA KEV since 2021-11-03, with known ransomware use. EPSS 85% chance of exploitation in the next 30 days.
Windows Print Spooler Remote Code Execution Vulnerability
Severity
- EPSS
- 85% chance of exploitation in the next 30 days; higher than 99% of CVEs (scores of 2026-10-31)
- CISA KEV
- listed 2021-11-03, due 2021-11-17, known ransomware use
- Published
- Modified
- Record from
- the NVD, synced
Affected
- microsoft:windows_10_1507
- microsoft:windows_10_1607
- microsoft:windows_10_1809
- microsoft:windows_10_1909
- microsoft:windows_10_2004
- microsoft:windows_10_20h2
- microsoft:windows_10_21h1
- microsoft:windows_7
- microsoft:windows_8.1
- microsoft:windows_rt_8.1
- microsoft:windows_server_2004
- microsoft:windows_server_2008
- microsoft:windows_server_2012
- microsoft:windows_server_2016
- microsoft:windows_server_2019
References
- http://packetstormsecurity.com/files/163349/Microsoft-PrintNightmare-Proof-Of-Concept.html
- http://packetstormsecurity.com/files/163351/PrintNightmare-Windows-Spooler-Service-Remote-Code-Execution.html
- http://packetstormsecurity.com/files/167261/Print-Spooler-Remote-DLL-Injection.html
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-1675
- https://www.kb.cert.org/vuls/id/383432