CVE
CVE-2021-1675
- First Reported
- Aug 12, 2021
- Latest Reported
- Aug 12, 2021
CVE Enrichment
- CVSS
- 7.8 HIGH
- EPSS
- 85.31%
- EPSS Percentile
- 99.72%
- CISA KEV
- YES — Known Exploited Vulnerability
Description
Windows Print Spooler Remote Code Execution Vulnerability
Technical Details
- CVSS Version
- 3.1
- CNA / NVD Source
- secure@microsoft.com
- Published
- 09-Jun-2021 06:15
- Last Modified
- 12-Aug-2026 12:17
- EPSS Date
- 2026-10-13
CVSS Vector
CVSS:3.1 AV:L /
AC:L /
PR:N /
UI:R /
S:U /
C:H /
I:H /
A:H
CISA KEV Details
- Date Added
- 2021-11-03
- Remediation Due
- 2021-11-17
- Known Ransomware Campaign Use
- Known
- Required Action
- Apply updates per vendor instructions.
- Notes
- https://nvd.nist.gov/vuln/detail/CVE-2021-1675
Affected Products / Versions
- microsoft / windows_10_1507
Version / affected range: * · before (exclusive) 10.0.10240.18967
cpe:2.3:o:microsoft:windows_10_1507:*:*:*:*:*:*:*:* - microsoft / windows_10_1607
Version / affected range: * · before (exclusive) 10.0.14393.4467
cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:*:* - microsoft / windows_10_1809
Version / affected range: * · before (exclusive) 10.0.17763.1999
cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:*:* - microsoft / windows_10_1909
Version / affected range: * · before (exclusive) 10.0.18363.1621
cpe:2.3:o:microsoft:windows_10_1909:*:*:*:*:*:*:*:* - microsoft / windows_10_2004
Version / affected range: * · before (exclusive) 10.0.19041.1052
cpe:2.3:o:microsoft:windows_10_2004:*:*:*:*:*:*:*:* - microsoft / windows_10_20h2
Version / affected range: * · before (exclusive) 10.0.19042.1052
cpe:2.3:o:microsoft:windows_10_20h2:*:*:*:*:*:*:*:* - microsoft / windows_10_21h1
Version / affected range: * · before (exclusive) 10.0.19043.1052
cpe:2.3:o:microsoft:windows_10_21h1:*:*:*:*:*:*:*:* - microsoft / windows_7
Version / affected range: -
cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:*:* - microsoft / windows_8.1
Version / affected range: -
cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:* - microsoft / windows_rt_8.1
Version / affected range: -
cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:* - microsoft / windows_server_2004
Version / affected range: * · before (exclusive) 10.0.19041.1052
cpe:2.3:o:microsoft:windows_server_2004:*:*:*:*:*:*:*:* - microsoft / windows_server_2008
Version / affected range: -
cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:* - microsoft / windows_server_2008
Version / affected range: r2
cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:* - microsoft / windows_server_2012
Version / affected range: -
cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:* - microsoft / windows_server_2012
Version / affected range: r2
cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:* - microsoft / windows_server_2016
Version / affected range: * · before (exclusive) 10.0.14393.4467
cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:* - microsoft / windows_server_2019
Version / affected range: * · before (exclusive) 10.0.17763.1999
cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*
References
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108
- CISA Advisory
Sources: NVD · FIRST EPSS · CISA KEV
Latest successful provider update; providers refresh independently.
Reported Context (1)
- Another threat actor is actively exploiting the so-called PrintNightmarevulnerability (CVE-2021-1675 / CVE-2021-34527) in Windows' print spooler service to spread laterally across a victim's network as part of a recent Vice Society Used PrintNightmare for Lateral Movement in Ransomware Attack
CVE (1)
People (3)
Threat Actors (1)
MITRE ATT&CK (16)
Vendors (2)
Products (10)
Tools (4)
Industries (1)
Note: Related entities, including threat actors, malware, CVEs, MITRE ATT&CK techniques, vendors, products, tools, countries, and industries, are shown when they appear in the same reporting. Their presence does not necessarily mean they were targeted, compromised, vulnerable, responsible for the activity, or directly involved in the incident.