MEDIUM · 6.8

CVE-2026-50426

Relative path traversal in DNS Server allows an authorized attacker to execute code over an adjacent network.

Vulnerability Description

Relative path traversal in DNS Server allows an authorized attacker to execute code over an adjacent network.

CVSS Score

6.8

MEDIUM

CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
MicrosoftWindows 10 1607< 10.0.14393.9339
MicrosoftWindows 10 1809< 10.0.17763.9020
MicrosoftWindows Server 2012-
MicrosoftWindows Server 2016< 10.0.14393.9339
MicrosoftWindows Server 2019< 10.0.17763.9020
MicrosoftWindows Server 2022< 10.0.20348.5386
MicrosoftWindows Server 2025< 10.0.26100.33158

Related Weaknesses (CWE)

References

FAQ

What is CVE-2026-50426?

CVE-2026-50426 is a vulnerability with a CVSS score of 6.8 (MEDIUM). Relative path traversal in DNS Server allows an authorized attacker to execute code over an adjacent network.

How severe is CVE-2026-50426?

CVE-2026-50426 has been rated MEDIUM with a CVSS base score of 6.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-50426?

Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Windows 10 1607, Microsoft Windows 10 1809, Microsoft Windows Server 2012, Microsoft Windows Server 2016, Microsoft Windows Server 2019.