CVE-2021-1675

highpriority · act · 90OT risk · criticalKEV · exploitedEPSS 0.853 · 100 %ileexploit · functionalEURUUS

grimoire priorityP0 · Act now

Exploitable?

Yes · in the wild

CISA KEV · 51 exploits · functional

Likely / severe?

85.3% (100th) EPSS

CVSS 9.3 · high

Is it mine?

65 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · fstec_bdu

added 2021-11-03remediate by 2021-11-17

required action Apply updates per vendor instructions.

EPSS · scored 2026-10-27

Microsoft Windows Print Spooler Remote Code Execution Vulnerability

Windows Print Spooler Remote Code Execution Vulnerability

cvss

Technical severity, 0–10. One row per scoring source.

9.3

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.09.3highAV:N/AC:M/Au:N/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 8.6 · impact 10

v2.09.3highAV:N/AC:M/Au:N/C:C/I:C/A:C/E:Hsecondary · CVSS-BT (t0sche)

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondary · NVD / NIST USexploitability 1.8 · impact 5.9

v3.18.8highAV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:Csecondary · ENISA EU

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondary · secure@microsoft.com USexploitability 1.8 · impact 5.9

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: active · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-269US

exploits (51)

Public proof-of-concept and weaponised exploit code.

exploit/windows/dcerpc/cve_2021_1675_printnightmarePrint Spooler Remote DLL Injectionfunctional · metasploit
000Tonio/cve-2021-1675000Tonio/cve-2021-1675PoC · poc_in_github
0xSs0rZ/Windows_ExploitCVE-2021-1675/CVE-2021-34527 PrintNightmare & CVE-2020-0668PoC · poc_in_github
AndrewTrube/CVE-2021-1675PrintNightmare Local Privilege Escalation PoC · poc_in_github
DLL00P/CVE-2021-1675DLL00P/CVE-2021-1675PoC · poc_in_github
HKenzoKimura/CVE-2021-1675Simulated PoC — PrintNightmare Windows Print Spooler RCE/LPE (CVE-2021-1675 + CVE-2021-34527). Non-functional payload for detection engineering. CISA KEV · Patched July 2021 · MITRE T1068.PoC · poc_in_github

affected products (65)

Products and version ranges known to be affected.

Microsoft Windows 10 Version 150710.0.0 → 10.0.10240.18967enisa_euvdEU
Microsoft Windows 10 Version 160710.0.0 → 10.0.14393.4467enisa_euvdEU
Microsoft Windows 10 Version 180910.0.0 → 10.0.17763.1999enisa_euvdEU
Microsoft Windows 10 Version 190910.0.0 → 10.0.18363.1621enisa_euvdEU
Microsoft Windows 10 Version 200410.0.0 → 10.0.19041.1052enisa_euvdEU
Microsoft Windows 10 Version 20H210.0.0 → 10.0.19042.1052enisa_euvdEU
Microsoft Windows 10 Version 21H110.0.0 → 10.0.19043.1052enisa_euvdEU
Microsoft Windows 76.1.0 → 6.1.7601.25632enisa_euvdEU
Microsoft Windows 7 Service Pack 16.1.0 → 6.1.7601.25632enisa_euvdEU
Microsoft Windows 8.16.3.0 → 6.3.9600.20044enisa_euvdEU
Microsoft Windows 8.16.3.0 → 6.3.9600.20045enisa_euvdEU
Microsoft Windows Server 2008 R2 Service Pack 16.1.0 → 6.1.7601.25632enisa_euvdEU
Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation)6.0.0 → 6.1.7601.25632enisa_euvdEU
Microsoft Windows Server 2008 Service Pack 26.0.0 → 6.0.6003.21137enisa_euvdEU
Microsoft Windows Server 2008 Service Pack 2 (Server Core installation)6.0.0 → 6.0.6003.21137enisa_euvdEU
Microsoft Windows Server 20126.2.0 → 6.2.9200.23372enisa_euvdEU
Microsoft Windows Server 2012 (Server Core installation)6.2.0 → 6.2.9200.23372enisa_euvdEU
Microsoft Windows Server 2012 R26.3.0 → 6.3.9600.20044enisa_euvdEU
Microsoft Windows Server 2012 R26.3.0 → 6.3.9600.20045enisa_euvdEU
Microsoft Windows Server 2012 R2 (Server Core installation)6.3.0 → 6.3.9600.20044enisa_euvdEU

showing 20 of 65

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu NVD CVE.org MITRE

published 2021-06-08modified 2026-08-12

references (21)

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan