CVE-2026-121678: Windows Remote Desktop Client Information Disclosure Vulnerability
Published Nov 10, 2026
·Updated
Out-of-bounds read in Remote Desktop Client allows an unauthorized attacker to disclose information over a network.
Other sources
Windows Remote Desktop Client Information Disclosure Vulnerability
— Microsoft
Affected Software
1 affected componentFixes available
Microsoft Windows App Client for Windows Desktop<2.0.1489.0
2.0.1489.0
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 2.0.1489.0
Event History
Nov 10, 2026
CVE Published
via Microsoft·04:00 PM
Data Sourced
via Microsoft·04:00 PM
DescriptionSeverityWeakness
Data Sourced
via Microsoft·04:00 PM
Affected Software
CVE Published
via MITRE·06:24 PM
Data Sourced
via MITRE·06:24 PM
DescriptionSeverity
Data Sourced
via NVD·07:20 PM
DescriptionSeverityWeakness