CVE-2026-33826

HIGH

Improper input validation in Windows Active Directory allows an authorized attacker to execute code over an adjacent network.

CVSS v3.1 Score

8.0
HIGH
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
ADJACENT_NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Published: 4/14/2026Modified: 4/17/2026

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References (1)

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33826Vendor Advisory