CVE-2026-50426
Windows DNS Server Remote Code Execution Vulnerability
Relative path traversal in DNS Server allows an authorized attacker to execute code over an adjacent network.
Attack profile
How easy it is to exploit
- Attack vector
- Adjacent network
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Windows DNS Server Remote Code Execution Vulnerability
Relative path traversal in DNS Server allows an authorized attacker to execute code over an adjacent network.
- Record
CVE-2026-50426- CVSS 3.1
- 6.8 Medium
CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C - Weakness
- CWE-23
- Updated
- 2026-11-02
EUVDEUVD-2026-43945
Relative path traversal in DNS Server allows an authorized attacker to execute code over an adjacent network.
- Record
EUVD-2026-43945- CVSS 3.1
- 6.8 Medium
CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-8489-g9w2-ccx7
Relative path traversal in DNS Server allows an authorized attacker to execute code over an...
Relative path traversal in DNS Server allows an authorized attacker to execute code over an adjacent network.
- Record
GHSA-8489-g9w2-ccx7- CVSS 3.1
- 6.8 Medium
CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-23
- Updated
- 2026-11-02
NVD
Relative path traversal in DNS Server allows an authorized attacker to execute code over an adjacent network.
- Record
CVE-2026-50426- CVSS 3.1
- 6.8 Medium
CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-23
- Updated
- 2026-11-02
Affected products
- microsoft windows 10 version 1607
- microsoft windows 10 version 1809
- 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 server 2025
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-50426 is a medium vulnerability (CVSS 6.8) in Microsoft Windows 10 Version 1607, published July 14, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.56%, the 46th percentile. No source names a fixed version.