Windows Remote Desktop Protocol (RDP) Information Disclosure Vulnerability
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle
describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2026-45639US | — | — | ||
Out-of-bounds read in Windows RDP allows an unauthorized attacker to disclose information over a network. | ||||
references
External citations — patches, advisories, analysis.
- CVE-2026-45639 Windows Remote Desktop Protocol (RDP) Information Disclosure Vulnerability - CSAFself
- CVE-2026-45639 Windows Remote Desktop Protocol (RDP) Information Disclosure Vulnerability - HTMLself
- Microsoft Support Lifecycleexternal
- Common Vulnerability Scoring Systemexternal
- Microsoft Exploitability Indexexternal
remediations (32)
- FixedRemote Desktop client for Windows Desktop
1.2.7214.0:Security Update:https://docs.microsoft.com/en-us/windows-server/remote/remote-desktop-services/clients/windowsdesktop-whatsnew
https://docs.microsoft.com/en-us/windows-server/remote/remote-desktop-services/clients/windowsdesktop-whatsnew - FixedWindows 10 Version 1607 for 32-bit Systems
10.0.14393.9234:Security Update:https://support.microsoft.com/help/5094122
https://support.microsoft.com/help/5094122 - FixedWindows 10 Version 1607 for x64-based Systems
10.0.14393.9234:Security Update:https://support.microsoft.com/help/5094122
https://support.microsoft.com/help/5094122 - FixedWindows 10 Version 1809 for 32-bit Systems
10.0.17763.8880:Security Update:https://support.microsoft.com/help/5094123
https://support.microsoft.com/help/5094123 - FixedWindows 10 Version 1809 for x64-based Systems
10.0.17763.8880:Security Update:https://support.microsoft.com/help/5094123
https://support.microsoft.com/help/5094123 - FixedWindows 10 Version 21H2 for 32-bit Systems
10.0.19044.7417:Security Update:https://support.microsoft.com/help/5094127
https://support.microsoft.com/help/5094127 - FixedWindows 10 Version 21H2 for ARM64-based Systems
10.0.19044.7417:Security Update:https://support.microsoft.com/help/5094127
https://support.microsoft.com/help/5094127 - FixedWindows 10 Version 21H2 for x64-based Systems
10.0.19044.7417:Security Update:https://support.microsoft.com/help/5094127
https://support.microsoft.com/help/5094127 - FixedWindows 10 Version 22H2 for 32-bit Systems
10.0.19045.7417:Security Update:https://support.microsoft.com/help/5094127
https://support.microsoft.com/help/5094127 - FixedWindows 10 Version 22H2 for ARM64-based Systems
10.0.19045.7417:Security Update:https://support.microsoft.com/help/5094127
https://support.microsoft.com/help/5094127 - FixedWindows 10 Version 22H2 for x64-based Systems
10.0.19045.7417:Security Update:https://support.microsoft.com/help/5094127
https://support.microsoft.com/help/5094127 - FixedWindows 11 Version 23H2 for ARM64-based Systems
10.0.22631.7219:Security Update:https://support.microsoft.com/help/5093998
https://support.microsoft.com/help/5093998 - FixedWindows 11 Version 23H2 for x64-based Systems
10.0.22631.7219:Security Update:https://support.microsoft.com/help/5093998
https://support.microsoft.com/help/5093998 - FixedWindows 11 Version 24H2 for ARM64-based Systems
10.0.26100.8655:Security Update:https://support.microsoft.com/help/5094126
https://support.microsoft.com/help/5094126 - FixedWindows 11 Version 24H2 for x64-based Systems
10.0.26100.8655:Security Update:https://support.microsoft.com/help/5094126
https://support.microsoft.com/help/5094126 - FixedWindows 11 Version 25H2 for ARM64-based Systems
10.0.26200.8655:Security Update:https://support.microsoft.com/help/5094126
https://support.microsoft.com/help/5094126 - FixedWindows 11 Version 25H2 for x64-based Systems
10.0.26200.8655:Security Update:https://support.microsoft.com/help/5094126
https://support.microsoft.com/help/5094126 - FixedWindows 11 Version 26H1 for ARM64-based Systems
10.0.28000.2269:Security Update:https://support.microsoft.com/help/5095051
https://support.microsoft.com/help/5095051 - FixedWindows 11 version 26H1 for x64-based Systems
10.0.28000.2269:Security Update:https://support.microsoft.com/help/5095051
https://support.microsoft.com/help/5095051 - FixedWindows App Client for Windows Desktop
2.0.1193.0:Security Update:https://learn.microsoft.com/en-us/windows-app/whats-new?toc=admins%2Ftoc.json&tabs=windows
https://learn.microsoft.com/en-us/windows-app/whats-new?toc=admins%2Ftoc.json&tabs=windows - FixedWindows Server 2012
6.2.9200.26132:Monthly Rollup:https://support.microsoft.com/help/5094042
https://support.microsoft.com/help/5094042 - FixedWindows Server 2012 (Server Core installation)
6.2.9200.26132:Monthly Rollup:https://support.microsoft.com/help/5094042
https://support.microsoft.com/help/5094042 - FixedWindows Server 2012 R2
6.3.9600.23228:Monthly Rollup:https://support.microsoft.com/help/5094041
https://support.microsoft.com/help/5094041 - FixedWindows Server 2012 R2 (Server Core installation)
6.3.9600.23228:Monthly Rollup:https://support.microsoft.com/help/5094041
https://support.microsoft.com/help/5094041 - FixedWindows Server 2016
10.0.14393.9234:Security Update:https://support.microsoft.com/help/5094122
https://support.microsoft.com/help/5094122 - FixedWindows Server 2016 (Server Core installation)
10.0.14393.9234:Security Update:https://support.microsoft.com/help/5094122
https://support.microsoft.com/help/5094122 - FixedWindows Server 2019
10.0.17763.8880:Security Update:https://support.microsoft.com/help/5094123
https://support.microsoft.com/help/5094123 - FixedWindows Server 2019 (Server Core installation)
10.0.17763.8880:Security Update:https://support.microsoft.com/help/5094123
https://support.microsoft.com/help/5094123 - FixedWindows Server 2022
10.0.20348.5256:Security Update:https://support.microsoft.com/help/5094128
https://support.microsoft.com/help/5094128 - FixedWindows Server 2022 (Server Core installation)
10.0.20348.5256:Security Update:https://support.microsoft.com/help/5094128
https://support.microsoft.com/help/5094128 - FixedWindows Server 2025
10.0.26100.32995:Security Update:https://support.microsoft.com/help/5094125
https://support.microsoft.com/help/5094125 - FixedWindows Server 2025 (Server Core installation)
10.0.26100.32995:Security Update:https://support.microsoft.com/help/5094125
https://support.microsoft.com/help/5094125
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