CVE-2026-56190: Remote Desktop Protocol Remote Code Execution Vulnerability
Remote Desktop Protocol Remote Code Execution Vulnerability
Other sources
Use of uninitialized resource in Windows RDP allows an unauthorized attacker to execute code over a network.
— 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 10.0.14393.9339Patch KB5099535 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 6.2.9200.26226Patch KB5099445 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 6.3.9600.23291Patch KB5099444 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.28000.2525Patch KB5101649 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.19044.7548Patch KB5099539 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.19045.7548Patch KB5099539 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26100.8875Patch KB5101650 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26100.33158Patch KB5099536 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26200.8875Patch KB5101650 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.20348.5386Patch KB5099540 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.17763.9020Patch KB5099538
Event History
Frequently Asked Questions
What is the severity of CVE-2026-56190?
CVE-2026-56190 has a critical severity rating of 9.8.
How do I fix CVE-2026-56190?
To address CVE-2026-56190, ensure that the latest Microsoft security updates are installed for affected Windows systems.
What systems are affected by CVE-2026-56190?
CVE-2026-56190 affects Microsoft Windows 10, Windows 11, and various versions of Windows Server.
What type of vulnerability is CVE-2026-56190?
CVE-2026-56190 is classified as a remote code execution vulnerability in the Remote Desktop Protocol.
Can CVE-2026-56190 be exploited remotely?
Yes, CVE-2026-56190 can be exploited remotely by an unauthorized attacker over a network.