CVE-2021-1675
Windows Print Spooler Remote Code Execution Vulnerability
CVE-2021-1675 is a high vulnerability (CVSS 7.8) in Microsoft Windows, published June 8, 2021. CISA lists it as known to be exploited, since November 3, 2021. EUVD reports exploitation since November 3, 2021. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 85.3%, the 99th percentile. No source names a fixed version.
- Severity
- 7.8 HighCVSS 3.1, CVE List
- Exploit chance
- 85.3%EPSS, 99th percentile
- Exploitation
- ExploitedCISA KEV,
- Fixed in
- No fix listedNo source names one
Description
Windows Print Spooler Remote Code Execution Vulnerability
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
Affected products
- microsoft windows
- microsoft windows 10 version 1507
- microsoft windows 10 version 1607
- microsoft windows 10 version 1809
- microsoft windows 10 version 1909
- microsoft windows 10 version 2004
- microsoft windows 10 version 20h2
- microsoft windows 10 version 21h1
- microsoft windows 7
- microsoft windows 7 service pack 1
- microsoft windows 8.1
- microsoft windows server 2008 service pack 2
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- microsoft windows server 2008 r2 service pack 1
- microsoft windows server 2008 r2 service pack 1 (server core installation)
- microsoft windows server 2008 service pack 2
- microsoft windows server 2008 service pack 2 (server core installation)
- microsoft windows server 2012
- microsoft windows server 2012 (server core installation)
- microsoft windows server 2012 r2
- microsoft windows server 2012 r2 (server core installation)
- microsoft windows server 2016
- microsoft windows server 2016 (server core installation)
- microsoft windows server 2019
- microsoft windows server 2019 (server core installation)
- microsoft windows server version 2004
- microsoft windows server version 20h2
- 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 rt 8.1
- microsoft windows server 2004
- microsoft windows server 2008
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Metasploit | Print Spooler Remote DLL Injection | 2021-06-08 |
| PoC in GitHub | cube0x0/CVE-2021-1675 | 2021-06-29 |
| PoC in GitHub | yu2u/CVE-2021-1675 | 2021-06-29 |
| PoC in GitHub | LaresLLC/CVE-2021-1675 | 2021-06-30 |
| PoC in GitHub | kondah/patch-cve-2021-1675 | 2021-06-30 |
| PoC in GitHub | calebstewart/CVE-2021-1675 | 2021-07-01 |
| PoC in GitHub | cybersecurityworks553/CVE-2021-1675_PrintNightMare | 2021-07-01 |
| PoC in GitHub | evilashz/CVE-2021-1675-LPE-EXP | 2021-07-01 |
| PoC in GitHub | hlldz/CVE-2021-1675-LPE | 2021-07-01 |
| PoC in GitHub | puckiestyle/CVE-2021-1675 | 2021-07-01 |
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| Source | Link | Date |
|---|---|---|
| PoC in GitHub | tanarchytan/CVE-2021-1675 | 2021-07-01 |
| PoC in GitHub | Leonidus0x10/CVE-2021-1675-SCANNER | 2021-07-02 |
| PoC in GitHub | corelight/CVE-2021-1675 | 2021-07-02 |
| PoC in GitHub | killtr0/CVE-2021-1675-PrintNightmare | 2021-07-02 |
| PoC in GitHub | kougyokugentou/CVE-2021-1675 | 2021-07-02 |
| PoC in GitHub | mrezqi/CVE-2021-1675_CarbonBlack_HuntingQuery | 2021-07-02 |
| PoC in GitHub | ptter23/CVE-2021-1675 | 2021-07-02 |
| PoC in GitHub | thomasgeens/CVE-2021-1675 | 2021-07-02 |
| PoC in GitHub | initconf/cve-2021-1675-printnightmare | 2021-07-03 |
| PoC in GitHub | ozergoker/PrintNightmare | 2021-07-03 |
| PoC in GitHub | exploitblizzard/PrintNightmare-CVE-2021-1675 | 2021-07-04 |
| PoC in GitHub | edsonjt81/CVE-2021-1675 | 2021-07-05 |
| PoC in GitHub | sailay1996/PrintNightmare-LPE | 2021-07-05 |
| PoC in GitHub | JumpsecLabs/PrintNightmare | 2021-07-07 |
| PoC in GitHub | bartimusprimed/CVE-2021-1675-Yara | 2021-07-08 |
| PoC in GitHub | k8gege/cve-2021-1675 | 2021-07-11 |
What each source reports
CVE List Score used
Windows Print Spooler Remote Code Execution Vulnerability
Windows Print Spooler Remote Code Execution Vulnerability
- Record
CVE-2021-1675- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C - Updated
- 2026-11-02
EUVDEUVD-2021-7142
Windows Print Spooler Remote Code Execution Vulnerability
- Record
EUVD-2021-7142- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-vwmm-qq95-vqhf
Windows Print Spooler Elevation of Privilege Vulnerability
Windows Print Spooler Elevation of Privilege Vulnerability
- Record
GHSA-vwmm-qq95-vqhf- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-269
- Updated
- 2026-11-02
CISA KEVNo score
Microsoft Windows Print Spooler Remote Code Execution Vulnerability
Microsoft Windows Print Spooler contains an unspecified vulnerability that allows for remote code execution.
- Record
CVE-2021-1675- Weakness
- CWE-285
- Updated
- 2026-11-02
NVD
Windows Print Spooler Remote Code Execution Vulnerability
- Record
CVE-2021-1675- CVSS 3.1
- 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
- 9.3 High
AV:N/AC:M/Au:N/C:C/I:C/A:C - Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| exploitation | ||
| exploits, exploits_more | ||
| first indexed | CVE List, EUVD, GitHub Advisories, CISA KEV, Metasploit, NVD, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
References
portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-1675
kb.cert.org/vuls/id/383432
packetstormsecurity.com/files/163349/Microsoft-PrintNightmare-Proof-Of-Concept.html
cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-1675
nvd.nist.gov/vuln/detail/CVE-2021-1675
github.com/advisories/GHSA-vwmm-qq95-vqhf
The full exploit list has 23 more links.