CVE-2026-102198: Windows Remote Desktop Protocol Information Disclosure Vulnerability
Out-of-bounds read in Windows Remote Desktop Protocol allows an authorized attacker to disclose information over a network.
Other sources
Windows Remote Desktop Protocol 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 10.0.28000.3231Patch KB5127646 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26100.33650Patch KB5126646 - Upgrade
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Fixed in 10.0.26300.9711Patch KB5127648 - Upgrade
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Fixed in 10.0.17763.9376Patch KB5126651 - Upgrade
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Fixed in 10.0.14393.9612Patch KB5126868 - Upgrade
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Fixed in 6.2.9200.26434Patch KB5126835 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26200.9711Patch KB5127648 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26100.9711Patch KB5127648 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.22631.7652Patch KB5126653 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 6.3.9600.23470Patch KB5126836 - Upgrade
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Fixed in 10.0.19044.7807Patch KB5126657 - Upgrade
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Fixed in 10.0.20348.5761Patch KB5126655
Event History
Frequently Asked Questions
Who is able to exploit this issue?
An attacker must be authorized and able to interact with Windows Remote Desktop Protocol over the network. The provided data does not indicate that unauthenticated attackers can exploit it.
What is the security impact?
Successful exploitation can disclose information through an out-of-bounds read. The supplied severity vector indicates no integrity or availability impact.
Which systems should be reviewed?
Review Microsoft Windows 10 and 11, plus Windows Server 2012, 2012 R2, 2016, 2019, 2022, and 2025 systems that use Remote Desktop Protocol.
Is exploitation expected to be straightforward?
No. The supplied CVSS vector rates attack complexity as high, while still requiring network access and low privileges.