CVE-2026-69718
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Command Injection in Windows Update
Vulnerability report for CVE-2026-69718, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.
Publication date: 2026-10-13
Last updated on: 2026-10-13
Assigner: Microsoft Corporation
Description
Description
Improper neutralization of special elements used in a command ('command injection') in Windows Update allows an authorized attacker to elevate privileges locally.
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| 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 2025 10.0.26100.0 |
| Microsoft | Windows | Server 2025 (Server Core installation) 10.0.26100.0 |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-77 | The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. |
