# CVE-2026-26151

## Summary

- **CVE ID:** CVE-2026-26151
- **Severity:** HIGH
- **CVSS Score:** 7.1 (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N/E:U/RL:O/RC:C)
- **CWE:** CWE-357
- **Published:** Apr 14, 2026
- **Last Modified:** Aug 14, 2026

## Description

Insufficient ui warning of dangerous operations in Windows Remote Desktop allows an unauthorized attacker to perform spoofing over a network.

## Affected Products

- Microsoft — Windows 10 Version 1607 (10.0.14393.0)
- 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 22H3 (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 Server 2012 (6.2.9200.0)
- Microsoft — Windows Server 2012 (Server Core installation) (6.2.9200.0)
- Microsoft — Windows Server 2012 R2 (6.3.9600.0)
- Microsoft — Windows Server 2012 R2 (Server Core installation) (6.3.9600.0)
- Microsoft — Windows Server 2016 (10.0.14393.0)
- Microsoft — Windows Server 2016 (Server Core installation) (10.0.14393.0)
- 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 2022, 23H2 Edition (Server Core installation) (10.0.25398.0)
- Microsoft — Windows Server 2025 (10.0.26100.0)
- Microsoft — Windows Server 2025 (Server Core installation) (10.0.26100.0)

## References

- [CNA](https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26151)
- [CVE](https://www.vicarius.io/vsociety/posts/cve-2026-26151-detection-script-spoofing-vulnerability-affecting-windows-remote-desktop)
- [CVE](https://www.vicarius.io/vsociety/posts/cve-2026-26151-mitigation-script-spoofing-vulnerability-affecting-windows-remote-desktop)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.83%
- **EPSS Percentile:** 55.4

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._