Vulnerability · CVE-2025-30397
Microsoft Windows Scripting Engine Type Confusion Vulnerability
Published May 13, 2025 · catalog updated Jun 17, 2026 · Microsoft Windows Server 2022, 23H2 Edition (Server Core installation)
Patch now
CVE-2025-30397 is in the CISA known-exploited catalog, due Jun 3, 2025. Confirm Microsoft Windows Server 2022, 23H2 Edition (Server Core installation) against the vendor advisory and apply that fix. The CVSS score does not change the priority.
- Severity
- High7.5
- Known exploitation
- CISA KEV and VulnCheck KEV
- EPSS
- 27.04%
- Remediation
- Remediation guidance
- Affected products
- cpe microsoft/windows 10 1507 · cpe microsoft/windows 10 1607 · cpe microsoft/windows 10 1809 · cpe microsoft/windows 10 21h2 · cpe microsoft/windows 10 22h2 · cpe microsoft/windows 11 22h2
Microsoft Windows Scripting Engine contains a type confusion vulnerability that allows an unauthorized attacker to execute code over a network via a specially crafted URL.
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.
- cpe microsoft/windows 10 1507version unspecified
- cpe microsoft/windows 10 1607version unspecified
- cpe microsoft/windows 10 1809version unspecified
- cpe microsoft/windows 10 21h2version unspecified
- cpe microsoft/windows 10 22h2version unspecified
- cpe microsoft/windows 11 22h2version unspecified
- cpe microsoft/windows 11 23h2version unspecified
- vendor Microsoft Windowsversion unspecified
- vendor Microsoft Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.0 <10.0.25398.161110.0.25398.0 <10.0.25398.1611
How to fix CVE-2025-30397
Recommended remediation
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. CISA due date Jun 3, 2025.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
CVE-2025-30397 is in the CISA known-exploited catalog, due Jun 3, 2025. Confirm Microsoft Windows Server 2022, 23H2 Edition (Server Core installation) against the vendor advisory and apply that fix. The CVSS score does not change the priority.
Which versions are affected?
Compare what you have installed with Microsoft Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.0 <10.0.25398.1611 10.0.25398.0 <10.0.25398.1611. Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
What should an analyst verify?
CWE-843: Access of Resource Using Incompatible Type (Type Confusion). EPSS 27.04%. The CISA KEV listing is the exploitation evidence. A public exploit reference is linked in Sources. That is not the same as confirmed exploitation. Use the source links for the original advisory.
Technology hubs
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.
May 13, 2025 · Catalog
Detected
Microsoft Windows Scripting Engine contains a type confusion vulnerability that allows an unauthorized attacker to execute code over a network via a specially crafted URL.
May 13, 2025 · CISA KEV
Known exploited
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Jun 3, 2025 · CISA KEV
Remediation due
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Jun 17, 2026 · Catalog
Updated
Microsoft Windows Scripting Engine contains a type confusion vulnerability that allows an unauthorized attacker to execute code over a network via a specially crafted URL.
Sources
- CISA KEVConfirmed exploitationCVE-2025-30397
Microsoft Windows Scripting Engine contains a type confusion vulnerability that allows an unauthorized attacker to execute code over a network via a specially crafted URL.
cisa.gov - CVE.orgVulnerability recordCVE-2025-30397
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2025-30397
30-day exploitation probability 27.0%
first.org - EUVDVulnerability recordEUVD-2025-14411
Access of resource using incompatible type ('type confusion') in Microsoft Scripting Engine allows an unauthorized attacker to execute code over a network.
euvd.enisa.europa.eu - Exploit DatabasePublic exploit reference52315
Public archive entry. The exploit body is not stored here.
exploit-db.com - NIST NVDVulnerability recordCVE-2025-30397
Access of resource using incompatible type ('type confusion') in Microsoft Scripting Engine allows an unauthorized attacker to execute code over a network.
nvd.nist.gov - VulnCheck KEVConfirmed exploitationCVE-2025-30397
Microsoft Windows Scripting Engine contains a type confusion vulnerability that allows an unauthorized attacker to execute code over a network via a specially crafted URL.
vulncheck.com
References
- VulnCheck exploitation evidence · api.msrc.microsoft.com
- VulnCheck exploitation evidence · cyble.com
- VulnCheck exploitation evidence · docs.google.com
- EUVD record · euvd.enisa.europa.eu
- CISA note · msrc.microsoft.com
- Vendor Advisory · msrc.microsoft.com
- CISA note · nvd.nist.gov
- US Government Resource · cisa.gov
- VulnCheck exploitation evidence · cisa.gov
- VulnCheck exploitation evidence · loginsoft.com
- Exploit · vicarius.io
- Mitigation · vicarius.io
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.