CVE-2025-21225HighCVSS 5.9
Windows Remote Desktop Gateway (RD Gateway) Denial of Service Vulnerability
🔗 CVE IDs covered (1)
📋 Description
According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability? Successful exploitation of this vulnerability requires an attacker to win a race condition.
🎯 Affected products9
- Windows Server 2016
- Windows Server 2016 (Server Core installation)
- Windows Server 2019
- Windows Server 2019 (Server Core installation)
- Windows Server 2022
- Windows Server 2022 (Server Core installation)
- Windows Server 2022, 23H2 Edition (Server Core installation)
- Windows Server 2025
- Windows Server 2025 (Server Core installation)
✅ Remediation
KB5050008 (Security Update) — fixed build 10.0.17763.6775 KB5049983 (Security Update) — fixed build 10.0.20348.3091 KB5050009 (Security Update) — fixed build 10.0.26100.2894 KB5049984 (Security Update) — fixed build 10.0.25398.1369 KB5049993 (Security Update) — fixed build 10.0.14393.7699
🔗 References (11)
- advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21225
- patchhttps://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5050008
- referencehttps://support.microsoft.com/help/5050008
- patchhttps://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5049983
- referencehttps://support.microsoft.com/help/5049983
- patchhttps://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5050009
- referencehttps://support.microsoft.com/help/5050009
- patchhttps://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5049984
- referencehttps://support.microsoft.com/help/5049984
- patchhttps://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5049993
- referencehttps://support.microsoft.com/help/5049993