CVE & CISA-KEV Catalog

CVE-2025-30394

MEDIUMEPSS 98th pctl
5.9
CVSS v3
NVD

Description

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

How to fix

Remediation Available
Windows Server 2012Windows
Install:KB5058451Microsoft
Windows Server 2012 (Server Core installation)Windows
Install:KB5058451Microsoft
Windows Server 2012 R2Windows
Install:KB5058403Microsoft
Windows Server 2012 R2 (Server Core installation)Windows
Install:KB5058403Microsoft
Windows Server 2016Windows
Install:KB5058383Microsoft
Windows Server 2016 (Server Core installation)Windows
Install:KB5058383Microsoft
Windows Server 2019Windows
Install:KB5058392Microsoft
Windows Server 2019 (Server Core installation)Windows
Install:KB5058392Microsoft
Windows Server 2022Windows
Install:KB5058500Microsoft
Install:KB5058385Microsoft
Windows Server 2022 (Server Core installation)Windows
Install:KB5058385Microsoft
Windows Server 2022, 23H2 Edition (Server Core installation)Windows
Install:KB5058384Microsoft
Windows Server 2025Windows
Install:KB5058411Microsoft
Install:KB5058497Microsoft
Windows Server 2025 (Server Core installation)Windows
Install:KB5058497Microsoft
Install:KB5058411Microsoft

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Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityHigh
Privileges RequiredNone
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityNone
IntegrityNone
AvailabilityHigh

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploit Intelligence

24.12%probability of exploitation in 30 days
98thpercentile

Very high risk: more likely to be exploited than 98% of all known CVEs.

References

Vendor Advisory1

Related Vulnerabilities

Other CWE-591 vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2023-36005High7.524%-Fix
CVE-2025-21309High8.115%-Fix
CVE-2023-28220High8.115%-Fix
CVE-2023-28219High8.115%-Fix
CVE-2024-38106High7.06.3%KEVFix
CVE-2023-38159High7.05.6%-Fix

Common questions

How do I fix CVE-2025-30394?

Published advisories record a fix for 13 affected products. The "How to fix" section on this page lists the fixed version and source advisory for each one, so apply the entry matching what you actually run.

Is CVE-2025-30394 being actively exploited?

Not that we know of. CVE-2025-30394 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 24.1% is the estimated probability that it will be exploited in the next 30 days. That is higher than 98% of all scored CVEs.

How severe is CVE-2025-30394?

CVE-2025-30394 has a CVSS v3 base score of 5.9, rated medium. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2025-30394 affect?

Published advisories record a fix for Windows Server 2012 (Windows), Windows Server 2012 (Server Core installation) (Windows), Windows Server 2012 R2 (Windows), Windows Server 2012 R2 (Server Core installation) (Windows), and 9 more. Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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CVE-2025-30394 severity badge

Markdown

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-05-19.