CVE-2026-96220
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Improper Code Injection in Windows Assigned Access

Publication date: 2026-10-13

Last updated on: 2026-10-13

Assigner: Microsoft Corporation

Description
Improper control of generation of code ('code injection') in Windows Assigned Access allows an authorized attacker to elevate privileges locally.

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Meta Information

Published
2026-10-13
Last Modified
2026-10-13
Generated
2026-10-14
AI Q&A
2026-10-13
EPSS Evaluated
N/A
NVD
CVE-2026-96220
EUVD
EUVD-2026-99749

Affected Vendors & Products

Showing 11 associated CPEs
Vendor Product Version / Range
Microsoft Windows 10 Version 1809 10.0.17763.0
Microsoft Windows 10 Version 21H2 10.0.19044.0
Microsoft Windows 10 Version 22H2 10.0.19045.0
Microsoft Windows 11 version 23H2 10.0.22631.0
Microsoft Windows 11 Version 23H2 10.0.22631.0
Microsoft Windows 11 Version 24H2 10.0.26100.0
Microsoft Windows 11 Version 25H2 10.0.26200.0
Microsoft Windows 11 version 26H1 10.0.28000.0
Microsoft Windows 11 Version 26H2 10.0.26300.0
Microsoft Windows Server 2019 10.0.17763.0
Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.0

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-94 The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.

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Executive Summary

This vulnerability is a code injection flaw in Windows Assigned Access that allows an authorized attacker to escalate their privileges locally. It occurs due to improper control during code generation, enabling unauthorized system access or control.

Impact Analysis

An attacker could exploit this to gain higher-level permissions on your system, potentially allowing them to install malicious software, access sensitive data, or perform unauthorized actions. Systems running affected Windows versions are at risk.

Compliance Impact

This vulnerability could lead to unauthorized access or data breaches, violating compliance requirements under GDPR, HIPAA, or other regulations. Organizations must address it to maintain data protection and security standards.

Mitigation Strategies

Apply the latest Windows security updates from Microsoft to patch the Assigned Access code injection vulnerability. Disable unnecessary privileges for user accounts and restrict local access to prevent exploitation.

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