CVE-2026-33826

HIGH EPSS 41.1%
Published Apr 14, 20262mo ago · Modified Jun 17, 20261w ago
8.0 CVSS 3.1
High
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Published Apr 14, 2026 2mo ago
Last Modified Jun 17, 2026 1w ago

Description

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

CVSS Details

Base Score
8.0
Exploitability
2.1
Impact
5.9
Vector string
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector Adjacent
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
41.1% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-20 Improper Input Validation Validation

Affected Products 6

VendorProductVersionRange
microsoftwindows_server_2012r2any
microsoftwindows_server_2016* <10.0.14393.9060
microsoftwindows_server_2019* <10.0.17763.8644
microsoftwindows_server_2022* <10.0.20348.5020
microsoftwindows_server_2022_23h2* <10.0.25398.2274
microsoftwindows_server_2025* <10.0.26100.32690

References 1

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

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.