CVE-2025-26677

Windows Remote Desktop Gateway (RD Gateway) Denial of Service Vulnerability

CVE-2025-26677 is fixed in 9 products on 1 platform, first by KB5058383, released May 13, 2025. It is not reported as exploited. Patch Radar priority: High.

High

CVSS

7.5

Important

Exploitation

None reported

Exploitation Less Likely

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.0180

78th percentile

<p>Uncontrolled resource consumption in Remote Desktop Gateway Service allows an unauthorized attacker to deny service over a network.</p>

Where it's fixed

Product	Fixed in	Fix	Released
Microsoft
Windows Server 2016	14393.8066	KB5058383	May 13, 2025
Windows Server 2016 (Server Core installation)	14393.8066	KB5058383	May 13, 2025
Windows Server 2019	17763.7314	KB5058392	May 13, 2025
Windows Server 2019 (Server Core installation)	17763.7314	KB5058392	May 13, 2025
Windows Server 2022	20348.3630	KB5058500	May 13, 2025
Windows Server 2022	20348.3692	KB5058385	May 13, 2025
Windows Server 2022 (Server Core installation)	20348.3692	KB5058385	May 13, 2025
Windows Server 2022, 23H2 Edition (Server Core installation)	25398.1611	KB5058384	May 13, 2025
Windows Server 2025	26100.4061	KB5058411	May 13, 2025
Windows Server 2025	26100.3981	KB5058497	May 13, 2025
Windows Server 2025 (Server Core installation)	26100.4061	KB5058411	May 13, 2025
Windows Server 2025 (Server Core installation)	26100.3981	KB5058497	May 13, 2025

Details

Published
May 13, 2025
Weakness
Uncontrolled Resource Consumption
Vendor advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-26677

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