AEGLIX vulnerability intelligence
CVE-2021-1675
HIGH · CVSS 7.8 · Analyzed
Published: 2021-06-08 · Updated: 2026-08-12 · Source: NVD
Stored catalog record
Source record retrieved 2026-10-28T13:16:08.577622+00:00. Scheduled imports handle updates; this page does not assert that the provider was queried just now.
Vulnerability overview
Windows Print Spooler Remote Code Execution Vulnerability
Patch review priority
Known exploitation: prioritize review
- CISA KEV lists real-world exploitation.
FIRST EPSS: 85.30% · percentile 99.7 · score date 2026-10-27.
EPSS estimates probability of exploitation in the next 30 days. It does not measure your exposure or prove exploitation. The elevated threshold is 10%; CISA KEV takes precedence. About FIRST EPSS ↗
Severity and scoring
- CVSS score
- 7.8 · HIGH
- CVSS version
- 3.1
- CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Weaknesses
- NVD-CWE-Other
CVSS measures technical severity; it does not establish whether this vulnerability is being exploited in your environment.
Known exploitation and remediation
Listed in CISA’s Known Exploited Vulnerabilities catalog.
- Affected product
- Microsoft · Windows
- Added to catalog
- 2021-11-03
- Required action
- Apply updates per vendor instructions.
- CISA remediation due date
- 2021-11-17
CISA deadlines apply to the organizations covered by its directives. Confirm your own remediation requirements.
Verify affected versions and patch availability in the vendor advisory before making changes.
Affected products and versions
cpe:2.3:o:microsoft:windows_10_1507:*:*:*:*:*:*:*:*
Before (exclusive): 10.0.10240.18967
cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:*:*
Before (exclusive): 10.0.14393.4467
cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:*:*
Before (exclusive): 10.0.17763.1999
cpe:2.3:o:microsoft:windows_10_1909:*:*:*:*:*:*:*:*
Before (exclusive): 10.0.18363.1621
cpe:2.3:o:microsoft:windows_10_2004:*:*:*:*:*:*:*:*
Before (exclusive): 10.0.19041.1052
cpe:2.3:o:microsoft:windows_10_20h2:*:*:*:*:*:*:*:*
Before (exclusive): 10.0.19042.1052
cpe:2.3:o:microsoft:windows_10_21h1:*:*:*:*:*:*:*:*
Before (exclusive): 10.0.19043.1052
cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2004:*:*:*:*:*:*:*:*
Before (exclusive): 10.0.19041.1052
cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*
Before (exclusive): 10.0.14393.4467
cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*
Before (exclusive): 10.0.17763.1999
These are NVD CPE applicability entries. Some products depend on configuration conditions; consult the official record to confirm applicability.
Advisories and references
- http://packetstormsecurity.com/files/163349/Microsoft-PrintNightmare-Proof-Of-Concept.html
Third Party Advisory · VDB Entry
- http://packetstormsecurity.com/files/163351/PrintNightmare-Windows-Spooler-Service-Remote-Code-Execution.html
Third Party Advisory · VDB Entry
- http://packetstormsecurity.com/files/167261/Print-Spooler-Remote-DLL-Injection.html
Exploit · Third Party Advisory · VDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-1675
Patch · Vendor Advisory
- https://www.kb.cert.org/vuls/id/383432
Third Party Advisory · US Government Resource
- http://packetstormsecurity.com/files/163349/Microsoft-PrintNightmare-Proof-Of-Concept.html
Third Party Advisory · VDB Entry
- http://packetstormsecurity.com/files/163351/PrintNightmare-Windows-Spooler-Service-Remote-Code-Execution.html
Third Party Advisory · VDB Entry
- http://packetstormsecurity.com/files/167261/Print-Spooler-Remote-DLL-Injection.html
Exploit · Third Party Advisory · VDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-1675
Patch · Vendor Advisory
- https://www.kb.cert.org/vuls/id/383432
Third Party Advisory · US Government Resource
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-1675
US Government Resource