CVE-2021-40455
At a glance
- Severity
- MEDIUM 5.5
- EPSS
- EPSS 0.56 % · percentile 47 (2026-10-27)
- State
- PUBLISHED
- Published
- Updated
- Assigner
- microsoft
- NVD status
- Modified
Description
Windows Installer Spoofing Vulnerability
Scores
| Version | Score | Vector | Scored by |
|---|
| CVSS 3.1 | MEDIUM 5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C | microsoft |
| CVSS 3.1 | MEDIUM 5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N | NVD · secure@microsoft.com (Secondary) |
| CVSS 3.1 | MEDIUM 5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N | NVD · nvd@nist.gov (Secondary) |
| CVSS 2.0 | LOW 2.1 | AV:L/AC:L/Au:N/C:N/I:P/A:N | NVD · nvd@nist.gov (Primary) |
European references
CERT-FR advisories
Affected configurations (NVD CPE)
cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:x64:*cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:x86:*cpe:2.3:o:microsoft:windows_10:20h2:*:*:*:*:*:arm64:*cpe:2.3:o:microsoft:windows_10:20h2:*:*:*:*:*:x64:*cpe:2.3:o:microsoft:windows_10:20h2:*:*:*:*:*:x86:*cpe:2.3:o:microsoft:windows_10:21h1:*:*:*:*:*:arm64:*cpe:2.3:o:microsoft:windows_10:21h1:*:*:*:*:*:x64:*cpe:2.3:o:microsoft:windows_10:21h1:*:*:*:*:*:x86:*cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:x64:*cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:x86:*cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:arm64:*cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:x64:*cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:x86:*cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:arm64:*cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:x64:*cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:x86:*cpe:2.3:o:microsoft:windows_10:2004:*:*:*:*:*:arm64:*cpe:2.3:o:microsoft:windows_10:2004:*:*:*:*:*:x64:*cpe:2.3:o:microsoft:windows_10:2004:*:*:*:*:*:x86:*cpe:2.3:o:microsoft:windows_11:-:*:*:*:*:*:arm64:*cpe:2.3:o:microsoft:windows_11:-:*:*:*:*:*:x64:*cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:x64:*cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:x86:*cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:x64:*cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:x86:*cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:*cpe:2.3:o:microsoft:windows_server:20h2:*:*:*:*:*:*:*cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:x64:*cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:x86:*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:-:*:*:*:*:*:*:*cpe:2.3:o:microsoft:windows_server_2016:2004:*:*:*:*:*:*:*cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*
Affected products
References
Sources
