Improper Access Control in Windows Deployment Services Enables Remote Code Execution

Publication date: 2026-01-13

Last updated on: 2026-01-13

Assigner: Microsoft Corporation

Description

Improper access control in Windows Deployment Services allows an unauthorized attacker to execute code over an adjacent network.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-01-13

Last Modified

2026-01-13

Generated

2026-07-06

AI Q&A

2026-01-14

EPSS Evaluated

2026-07-05

NVD

CVE-2026-0386

Affected Vendors & Products

Vendor	Product	Version / Range
microsoft	windows_deployment_services	*

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-284	The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

Attack-Flow Graph

Executive Summary

This vulnerability is an improper access control issue in Windows Deployment Services that allows an unauthorized attacker to execute code over an adjacent network. [1]

Impact Analysis

An attacker exploiting this vulnerability can execute arbitrary code remotely on the affected system without any privileges or user interaction, potentially leading to full compromise of confidentiality, integrity, and availability. [1]

Hi! I’m here to help you understand CVE-2026-0386. Ask me anything about the vulnerability, its impact, or mitigation strategies.

0/70