CVE-2026-33826

Published Apr 14, 2026

Last updated 4 hours ago

CVSS high 8.0
Port (135)

Overview

Description
Improper input validation in Windows Active Directory allows an authorized attacker to execute code over an adjacent network.
Source
secure@microsoft.com
NVD status
Analyzed
Products
windows_server_2012, windows_server_2016, windows_server_2019, windows_server_2022, windows_server_2022_23h2, windows_server_2025

Risk scores

CVSS 3.1

Type
Primary
Base score
8
Impact score
5.9
Exploitability score
2.1
Vector string
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Severity
HIGH

Weaknesses

secure@microsoft.com
CWE-20

Social media

Hype score
Not currently trending

Configurations

References

Sources include official advisories and independent security research.