CVE-2026-84007: Remote Desktop Gateway Service Information Disclosure Vulnerability
Out-of-bounds read in Remote Desktop Gateway Service allows an authorized attacker to disclose information over a network.
Other sources
Remote Desktop Gateway Service Information Disclosure Vulnerability
— Microsoft
Affected Software
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 6.3.9600.23470Patch KB5126836 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 6.2.9200.26434Patch KB5126835 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.14393.9612Patch KB5126868 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26100.33650Patch KB5126646 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.20348.5761Patch KB5126655 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.17763.9376Patch KB5126651
Event History
Frequently Asked Questions
Who can exploit this issue?
An attacker must be authorized and able to reach the Remote Desktop Gateway Service over the network. The supplied information does not indicate that unauthenticated attackers can exploit it.
What is the potential impact?
Successful exploitation can disclose information because of an out-of-bounds read. The provided severity vector indicates no integrity or availability impact.
Which systems should be prioritized for review?
Review Windows Server 2012, 2012 R2, 2016, 2019, 2022, and 2025 systems that run or expose Remote Desktop Gateway Service. The data does not establish whether installations where the service is disabled are affected.