MicrosoftCVE-2026-56171
Microsoft Windows RDP: unauthorized attacker could disclose information over
High7.1CVE-2026-56171 · Published Jul 17, 2026 · updated Jul 22, 2026
Exposure of private personal information to an unauthorized actor in Windows RDP allows an unauthorized attacker to disclose information over a network.
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| Remote Desktop Web Client Product | >= 2.0.0.0, < 2.1.65.2 | 2.1.65.2 |
| Windows Admin Center Product | >= 1809.0, < 2.7.4 | 2.7.4 |
Details and references
- CVSS 3.1
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N
- Severity from
- the vendor (its own CVE record or advisory)
- Weakness
- CWE-359
More Microsoft advisories
All Microsoft| Date | Advisory | Severity | Fixed in |
|---|---|---|---|
| Jul 17 | Microsoft Edge (Chromium-based): authentication bypass | Medium5.4 | 150.0.4078.80 |
| Jul 16 | Microsoft Windows Admin Center: cross-site scripting | Medium6.1 | 2.6.7 |
| Jul 16 | Microsoft Windows Terminal App: integer overflow | High7.5 | 1.24.11321.0 |
| Jul 16 | Microsoft Office SharePoint: cross-site scripting | Medium4.6 | 16.0.5561.1001+2 more |
| Jul 16 | Microsoft Windows Backup Engine: race condition | High7.0 | 10.0.19044.7548+4 more |
| Jul 14 | Secret exfiltration vulnerability | High | 1.128.1 |