CVE-2021-26415
HighPublished
Windows Installer Elevation of Privilege Vulnerability
- Published
- Apr 13, 2021
- Updated
- Aug 3, 2024
- Assigning CNA
- microsoft
- Evidence observed
- Aug 8, 2026
Primary CVSS
7.8/ 10High
nvd · CVSS 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H3.6%
Low · next 30 days
- Percentile
- 88.9%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
Windows Installer Elevation of Privilege Vulnerability
Sources
1All files needed to reproduce PoC for CVE-2021-26415: https://www.cloaked.pl/2021/04/cve-2021-26415/
Responsible use
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