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CVE-2025-30394

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

MEDIUM
5.9
CVSS Score
Published: May 13, 2025 at 04:58 PM UTC
Updated: June 17, 2026 at 09:08 AM UTC
7 products affected across 1 vendorWindows Server 2016Windows Server 2019Windows Server 2012

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Severity
MEDIUM5.9
Exploit prediction
EPSS 34%
SSVC
No known exploit

Description

Sensitive data storage in improperly locked memory in Remote Desktop Gateway Service allows an unauthorized attacker to deny service over a network.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Windows Server 2012· Microsoft
95%
6.2.9200.0 ≤ v < 6.2.9200.254756.3.9600.0 ≤ v < 6.3.9600.225776.2.9200.06.3.9600.0r2
Affected range stops below 6.2.9200.25475, so it looks safe — our inference, not a vendor statement
Affected range stops below 6.3.9600.22577, so it looks safe — our inference, not a vendor statement
Windows Server 2016· Microsoft
95%
v < 10.0.14393.806610.0.14393.0 ≤ v < 10.0.14393.806610.0.14393.0
Affected range stops below 10.0.14393.8066, so it looks safe — our inference, not a vendor statement
Windows Server 2019· Microsoft
95%
v < 10.0.17763.731410.0.17763.0 ≤ v < 10.0.17763.731410.0.17763.0
Affected range stops below 10.0.17763.7314, so it looks safe — our inference, not a vendor statement
Windows Server 2022· Microsoft
95%
v < 10.0.20348.369210.0.20348.0 ≤ v < 10.0.20348.369210.0.20348.0
Affected range stops below 10.0.20348.3692, so it looks safe — our inference, not a vendor statement
Windows Server 2022 23H2· Microsoft
95%
v < 10.0.25398.161110.0.25398.0 ≤ v < 10.0.25398.161110.0.25398.0
Affected range stops below 10.0.25398.1611, so it looks safe — our inference, not a vendor statement
Windows Server 2025· Microsoft
95%
v < 10.0.26100.406110.0.26100.0 ≤ v < 10.0.26100.406110.0.26100.0
Affected range stops below 10.0.26100.4061, so it looks safe — our inference, not a vendor statement
Windows Server 23H2· Microsoft
95%
10.0.25398.0 ≤ v < 10.0.25398.1611
Affected range stops below 10.0.25398.1611, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Vendor AdvisoryPatch
Source: [email protected]
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-30394

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.9MEDIUMmicrosoft
Vector?

Quick Info

StatusANALYZED
CWE
CWE-591CWE-362

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