CVE-2026-56171 — HIGH (7.1)

Q: What is CVE-2026-56171?

CVE-2026-56171 is a vulnerability with a CVSS score of 7.1 (HIGH). Exposure of private personal information to an unauthorized actor in Windows RDP allows an unauthorized attacker to disclose information over a network.

Q: How severe is CVE-2026-56171?

CVE-2026-56171 has been rated HIGH with a CVSS base score of 7.1/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-56171?

Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Remote Desktop Web Client, Microsoft Windows Admin Center.

Vulnerability Description

Exposure of private personal information to an unauthorized actor in Windows RDP allows an unauthorized attacker to disclose information over a network.

CVSS Score

7.1

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Microsoft	Remote Desktop Web Client	< 2.1.65.2
Microsoft	Windows Admin Center	< 2606

Related Weaknesses (CWE)

CWE-359

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-56171Vendor AdvisoryRelease Notes

FAQ

What is CVE-2026-56171?

CVE-2026-56171 is a vulnerability with a CVSS score of 7.1 (HIGH). Exposure of private personal information to an unauthorized actor in Windows RDP allows an unauthorized attacker to disclose information over a network.

How severe is CVE-2026-56171?

CVE-2026-56171 has been rated HIGH with a CVSS base score of 7.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-56171?

Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Remote Desktop Web Client, Microsoft Windows Admin Center.