CVE-2026-83893
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Exposure of Sensitive Information in Windows Clipboard User Service
Vulnerability report for CVE-2026-83893, 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
Exposure of sensitive system information to an unauthorized control sphere in Windows Clipboard User Service allows an authorized attacker to disclose information locally.
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| 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 |
| Microsoft | Windows | Server 2022 10.0.20348.0 |
| 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-497 | The product does not properly prevent sensitive system-level information from being accessed by unauthorized actors who do not have the same level of access to the underlying system as the product does. |
