CVE-2026-33826
HighPublished
Windows Active Directory Remote Code Execution Vulnerability
- Published
- Apr 14, 2026
- Updated
- Aug 14, 2026
- Assigning CNA
- microsoft
- Evidence observed
- Aug 25, 2026
Primary CVSS
8.0/ 10High
nvd · CVSS 3.1
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H0.5%
Low · next 30 days
- Percentile
- 43.9%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
Improper input validation in Windows Active Directory allows an authorized attacker to execute code over an adjacent network.
Sources
1- CVE-2026-33826Research
Detailed analysis of CVE-2026-33826, a critical Active Directory RCE vulnerability, including technical exploitation techniques, affected systems, and mitigation strategies for defenders.
Responsible use
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