How severe is CVE-2025-30394?

CVE-2025-30394 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2025-30394 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 21% (97th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-30394?

CVE-2025-30394 primarily affects Microsoft Windows Server 2012. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-30394?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-30394 have an EU (EUVD) identifier?

Yes. CVE-2025-30394 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-14445.

When was CVE-2025-30394 published?

CVE-2025-30394 was published on 2025-05-13 and last updated on 2026-06-17.

CVE-2025-30394

CVE-2025-30394 is a medium-severity vulnerability in Microsoft Windows Server 2012 with a CVSS 3.x base score of 5.9. Its EPSS exploit-prediction score of 21% places it in the 97th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-362.

Key facts

Severity: Medium (CVSS 3.x base score 5.9)
EPSS exploit prediction: 21% (97th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-14445
Weakness: CWE-362
Affected product: Microsoft Windows Server 2012
Published: 2025-05-13
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is 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.
How severe is CVE-2025-30394?: CVE-2025-30394 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2025-30394 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 21% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-30394?: CVE-2025-30394 primarily affects Microsoft Windows Server 2012. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-30394?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-30394 have an EU (EUVD) identifier?: Yes. CVE-2025-30394 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-14445.
When was CVE-2025-30394 published?: CVE-2025-30394 was published on 2025-05-13 and last updated on 2026-06-17.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-30394

Affected products (7)

cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*

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