CVE-2021-26414
Windows DCOM Server Security Feature Bypass
4.8 MediumPublic exploit
Windows DCOM Server Security Feature Bypass
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- None
- Integrity
- High
- Availability
- None
Exploit likelihood
49.8%Up 49.4 points since Jun 9, 2021
What each source reports
CVE List Score used
Windows DCOM Server Security Feature Bypass
Windows DCOM Server Security Feature Bypass
- Record
CVE-2021-26414- CVSS 3.1
- 4.8 Medium
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C - Updated
- 2026-11-02
EUVDEUVD-2021-13220
Windows DCOM Server Security Feature Bypass
- Record
EUVD-2021-13220- CVSS 3.1
- 4.8 Medium
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-3r2g-rwx7-4qwp
Windows DCOM Server Security Feature Bypass
Windows DCOM Server Security Feature Bypass
- Record
GHSA-3r2g-rwx7-4qwp- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N - Updated
- 2026-11-02
NVD
Windows DCOM Server Security Feature Bypass
- Record
CVE-2021-26414- CVSS 3.1
- 4.8 Medium
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:H/A:N - CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:P/A:N - Updated
- 2026-11-02
Affected products
- microsoft windows 10 version 1507
- microsoft windows 10 version 1607
- microsoft windows 10 version 1809
- microsoft windows 10 version 1909
- microsoft windows 10 version 20h2
- microsoft windows 10 version 21h1
- microsoft windows 10 version 21h2
- microsoft windows 11 version 21h2
- microsoft windows 7
- microsoft windows 7 service pack 1
- microsoft windows 8.1
- microsoft windows server 2008 service pack 2
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- microsoft windows server 2008 r2 service pack 1
- microsoft windows server 2008 r2 service pack 1 (server core installation)
- microsoft windows server 2008 service pack 2
- microsoft windows server 2008 service pack 2 (server core installation)
- microsoft windows server 2012
- microsoft windows server 2012 (server core installation)
- microsoft windows server 2012 r2
- microsoft windows server 2012 r2 (server core installation)
- microsoft windows server 2016
- microsoft windows server 2016 (server core installation)
- microsoft windows server 2019
- microsoft windows server 2019 (server core installation)
- microsoft windows server 2022
- microsoft windows 10
- microsoft windows rt 8.1
- microsoft windows server
- microsoft windows server 2008
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| PoC in GitHub | Nels2/dcom_10036_Solver | 2022-10-25 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-26414 is a medium vulnerability (CVSS 4.8) in Microsoft Windows 10 Version 1507, published June 8, 2021. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 49.8%, the 98th percentile. No source names a fixed version.