7.5

CVE-2025-30397

Warning
Media report
Exploit

Access of resource using incompatible type ('type confusion') in Microsoft Scripting Engine allows an unauthorized attacker to execute code over a network.

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Data is provided by the National Vulnerability Database (NVD)
Microsoft ≫ Windows 10 1507 Version < 10.0.10240.21014
Microsoft ≫ Windows 10 1607 Version < 10.0.14393.8066
Microsoft ≫ Windows 10 1809 HwPlatformx64 Version < 10.0.17763.7314
Microsoft ≫ Windows 10 1809 HwPlatformx86 Version < 10.0.17763.7314
Microsoft ≫ Windows 10 21h2 Version < 10.0.19044.5854
Microsoft ≫ Windows 10 22h2 Version < 10.0.19045.5854
Microsoft ≫ Windows 11 22h2 Version < 10.0.22621.5335
Microsoft ≫ Windows 11 23h2 Version < 10.0.22631.5335
Microsoft ≫ Windows 11 24h2 Version < 10.0.26100.4061
Microsoft ≫ Windows Server 2008 Version- Updatesp2
Microsoft ≫ Windows Server 2008 Versionr2 Updatesp1 HwPlatformx64
Microsoft ≫ Windows Server 2016 Version < 10.0.14393.8066
Microsoft ≫ Windows Server 2019 Version < 10.0.17763.7314
Microsoft ≫ Windows Server 2022 Version < 10.0.20348.3692
Microsoft ≫ Windows Server 2022 23h2 Version < 10.0.25398.1611
Microsoft ≫ Windows Server 2025 Version < 10.0.26100.4061

13.05.2025: CISA Known Exploited Vulnerabilities (KEV) Catalog

Microsoft Windows Scripting Engine Type Confusion Vulnerability

Vulnerability

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.

Description

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Required actions
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 16.88% 0.947
CVSS Metriken
Source Base Score Exploit Score Impact Score Vector string
secure@microsoft.com 7.5 1.6 5.9
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE-843 Access of Resource Using Incompatible Type ('Type Confusion')

The product allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses that resource using a type that is incompatible with the original type.