CVE-2025-30397
Scripting Engine Memory Corruption Vulnerability
CVSS Score
7.5
EPSS Score
0.0%
EPSS Percentile
0th
Access of resource using incompatible type ('type confusion') in Microsoft Scripting Engine allows an unauthorized attacker to execute code over a network.
| Vendor | microsoft |
| Product | windows 10 version 1507 |
| Ecosystems | |
| Industries | TechnologyEnterprise |
| Published | May 13, 2025 |
| Last Updated | Feb 26, 2026 |
⚠️ Actively Exploited — Act Now
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
Microsoft / Windows 10 Version 1507
10.0.10240.0 < 10.0.10240.21014
Microsoft / Windows 10 Version 1607
10.0.14393.0 < 10.0.14393.8066
Microsoft / Windows 10 Version 1809
10.0.17763.0 < 10.0.17763.7314
Microsoft / Windows 10 Version 21H2
10.0.19044.0 < 10.0.19044.5854
Microsoft / Windows 10 Version 22H2
10.0.19045.0 < 10.0.19045.5854
Microsoft / Windows 11 version 22H2
10.0.22621.0 < 10.0.22621.5335
Microsoft / Windows 11 version 22H3
10.0.22631.0 < 10.0.22631.5335
Microsoft / Windows 11 Version 23H2
10.0.22631.0 < 10.0.22631.5335
Microsoft / Windows 11 Version 24H2
10.0.26100.0 < 10.0.26100.4061
Microsoft / Windows Server 2008 R2 Service Pack 1
6.1.7601.0 < 6.1.7601.27729
Microsoft / Windows Server 2008 R2 Service Pack 1 (Server Core installation)
6.1.7601.0 < 6.1.7601.27729
Microsoft / Windows Server 2008 Service Pack 2
6.0.6003.0 < 6.0.6003.23279
Microsoft / Windows Server 2008 Service Pack 2 (Server Core installation)
6.0.6003.0 < 6.0.6003.23279
Microsoft / Windows Server 2012
6.2.9200.0 < 6.2.9200.25475
Microsoft / Windows Server 2012 (Server Core installation)
6.2.9200.0 < 6.2.9200.25475
Microsoft / Windows Server 2012 R2
6.3.9600.0 < 6.3.9600.22577
Microsoft / Windows Server 2012 R2 (Server Core installation)
6.3.9600.0 < 6.3.9600.22577
Microsoft / Windows Server 2016
10.0.14393.0 < 10.0.14393.8066
Microsoft / Windows Server 2016 (Server Core installation)
10.0.14393.0 < 10.0.14393.8066
Microsoft / Windows Server 2019
10.0.17763.0 < 10.0.17763.7314
Microsoft / Windows Server 2019 (Server Core installation)
10.0.17763.0 < 10.0.17763.7314
Microsoft / Windows Server 2022
10.0.20348.0 < 10.0.20348.3692
Microsoft / Windows Server 2022, 23H2 Edition (Server Core installation)
10.0.25398.0 < 10.0.25398.1611
Microsoft / Windows Server 2025
10.0.26100.0 < 10.0.26100.4061
Microsoft / Windows Server 2025 (Server Core installation)
10.0.26100.0 < 10.0.26100.4061
References
msrc.microsoft.com: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-30397 cisa.gov: https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-30397 vicarius.io: https://www.vicarius.io/vsociety/posts/cve-2025-30397-type-confusion-vulnerability-in-microsoft-scripting-engine-mitigation-script vicarius.io: https://www.vicarius.io/vsociety/posts/cve-2025-30397-type-confusion-vulnerability-in-microsoft-scripting-engine-detection-script