CVE-2026-121677

Windows Remote Desktop Client Information Disclosure Vulnerability

Published Nov 10, 2026 CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Description
Out-of-bounds read in Remote Desktop Client allows an unauthorized attacker to disclose information over a network.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Out-of-bounds read in Remote Desktop Client allows an unauthorized attacker to disclose information over a network.
Title Windows Remote Desktop Client Information Disclosure Vulnerability
First Time appeared Microsoft
Microsoft windows App Client For Windows Desktop
Weaknesses CWE-125
CPEs cpe:2.3:a:microsoft:windows_app_client_for_windows_desktop:*:*:*:*:*:windows:*:*
Vendors & Products Microsoft
Microsoft windows App Client For Windows Desktop
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
microsoft
Published
Updated
Nov 12, 2026, 9:51 PM
Reserved
Nov 3, 2026, 6:52 PM
Status
Awaiting Analysis
Published
Nov 10, 2026, 7:20 PM
Modified
Nov 11, 2026, 2:17 AM