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Vulnerabilities

Vulnerability · CVE-2025-30394

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

Published May 13, 2025 · catalog updated Feb 13, 2026 · Microsoft Windows Server 2016 (Server Core installation)

Check this week

CVE-2025-30394 is not in CISA KEV. FIRST estimates a 32.74% chance of exploitation in the next 30 days. Check whether you run Microsoft Windows Server 2016 (Server Core installation).

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium5.9
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
32.74%
Remediation
Version ranges on file
Affected products
vendor Microsoft Windows Server 2016 (Server Core installation) 10.0.14393.0 <10.0.14393.8066

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

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Microsoft Windows Server 2016 (Server Core installation) 10.0.14393.0 <10.0.14393.806610.0.14393.0 <10.0.14393.8066

How to fix CVE-2025-30394

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2025-30394 is not in CISA KEV. FIRST estimates a 32.74% chance of exploitation in the next 30 days. Check whether you run Microsoft Windows Server 2016 (Server Core installation).

Which versions are affected?

Compare what you have installed with Microsoft Windows Server 2016 (Server Core installation) 10.0.14393.0 <10.0.14393.8066 10.0.14393.0 <10.0.14393.8066. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 32.74%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

Windows security

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. May 13, 2025 · EUVD

    Detected

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

  2. Feb 13, 2026 · EUVD

    Updated

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

Sources

  • CVE.orgVulnerability recordCVE-2025-30394

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-30394

    30-day exploitation probability 32.7%

    first.org
  • EUVDVulnerability recordEUVD-2025-14445

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

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.