CVE-2026-56171 json
Windows Remote Desktop Protocol (RDP) Information Disclosure Vulnerability
published 2026-07-17 3 mo ago modified 2026-11-01 7 d ago also EUVD-2026-45345
- cvss
- 7.1
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.7%
- EPSS 0.7% chance of exploitation in 30 days, percentile 51%
- public exploits
- 0
- none known
Summary
Exposure of private personal information to an unauthorized actor in Windows RDP allows an unauthorized attacker to disclose information over a network.
Patch / fix
- Microsoft Remote Desktop Web Client 2.1.65.2
- Microsoft Windows Admin Center 2.7.4
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 3 mo ago
Exploit prediction
0.66% chance of exploitation in the next 30 days, higher than 51% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 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 |
| CNA | 3.1 | 7.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N |
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
Affected products
- Microsoft Remote Desktop Web Client
- Microsoft Windows Admin Center
Classification
- Weakness
-
- CWE-359 Exposure of Private Personal Information to an Unauthorized Actor
References
-
msrc.microsoft.com
/update-guide/vulnerability/CVE-2026-56171
vendor-advisory, patch, release-notes
Sources
- CVE List CVE-2026-56171
- NVD CVE-2026-56171
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