Description

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

INFO

Published Date :

2026-04-14T16:57:50.050Z

Last Modified :

2026-04-16T14:18:40.920Z

Source :

microsoft
AFFECTED PRODUCTS

The following products are affected by CVE-2026-33826 vulnerability.

Vendors Products
Microsoft
  • Windows Server 2012 R2
  • Windows Server 2012 R2
  • Windows Server 2012 R2 (server Core Installation)
  • Windows Server 2016
  • Windows Server 2016 (server Core Installation)
  • Windows Server 2019
  • Windows Server 2019 (server Core Installation)
  • Windows Server 2022
  • Windows Server 2022, 23h2 Edition (server Core Installation)
  • Windows Server 2025
  • Windows Server 2025 (server Core Installation)
  • Windows Server 23h2
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-33826.

URL Resource
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33826 cve-icon cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
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Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact