CVE-2026-50418

Analyzed Analyzed - Analysis Complete

Improper Access Control in Windows System

Publication date: 2026-07-14

Last updated on: 2026-07-22

Assigner: Microsoft Corporation

Description

Improper access control in Windows System allows an unauthorized attacker to bypass a security feature locally.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-07-14

Last Modified

2026-07-22

Generated

2026-08-04

AI Q&A

2026-07-15

EPSS Evaluated

2026-08-02

NVD

CVE-2026-50418

EUVD

EUVD-2026-43923

Affected Vendors & Products

Vendor	Product	Version / Range
microsoft	windows_11_26h1	to 10.0.28000.2269 (exc)
microsoft	windows_server_2022	to 10.0.20348.5386 (exc)
microsoft	windows_server_2025	to 10.0.26100.33158 (exc)
microsoft	windows_11_26h1	to 10.0.28000.2525 (exc)
microsoft	windows_11_24h2	to 10.0.26100.8875 (exc)
microsoft	windows_11_24h2	to 10.0.26100.8875 (exc)
microsoft	windows_11_25h2	to 10.0.26200.8875 (exc)
microsoft	windows_11_25h2	to 10.0.26200.8875 (exc)

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 a security feature bypass in Windows System caused by improper access control. An unauthorized attacker can exploit it locally to bypass a security feature.

Impact Analysis

An attacker could exploit this to bypass security protections on your Windows system, potentially gaining unauthorized access or executing malicious actions locally.

Compliance Impact

This vulnerability may impact compliance by weakening security controls, potentially violating data protection requirements under GDPR or HIPAA if exploited.

Mitigation Strategies

Apply the latest security updates from Microsoft as soon as they become available to address the improper access control issue.

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