CVE-2021-1675

7.8 HIGH CISA KEV - Actively Exploited
Published: June 08, 2021 Modified: October 30, 2025

Description

Windows Print Spooler Remote Code Execution Vulnerability

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

Login to generate AI explanation

CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://packetstormsecurity.com/files/167261/Print-Spooler-Remote-DLL-Injection.html
Source: secure@microsoft.com
Exploit Third Party Advisory VDB Entry
https://www.kb.cert.org/vuls/id/383432
Source: secure@microsoft.com
Third Party Advisory US Government Resource
http://packetstormsecurity.com/files/163349/Microsoft-PrintNightmare-Proof-Of-Concept.html
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
http://packetstormsecurity.com/files/163351/PrintNightmare-Windows-Spooler-Service-Remote-Code-Execution.html
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
http://packetstormsecurity.com/files/167261/Print-Spooler-Remote-DLL-Injection.html
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit Third Party Advisory VDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-1675
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Vendor Advisory
https://www.kb.cert.org/vuls/id/383432
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory US Government Resource
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-1675
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
US Government Resource

11 reference(s) from NVD

Quick Stats

CVSS v3 Score
7.8 / 10.0
EPSS (Exploit Probability)
94.3%
100th percentile
Exploitation Status
Actively Exploited
Remediation due: 2021-11-17

Affected Vendors

microsoft