CVE-2025-30397

Scripting Engine Memory Corruption Vulnerability

Published: May 13, 2025Updated: Oct 27, 2025 Sources: CVE List NVD BDUCWE-843

7.5HIGH

Description

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

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:NAttack Vector

Network

AC:HAttack Complexity

High

PR:NPrivileges Required

None

UI:RUser Interaction

Required

Scope

S:UScope

Unchanged

Impact

C:HConfidentiality

High

I:HIntegrity

High

A:HAvailability

High

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Weaknesses

CWE-843

Affected Products

Microsoft Corp

commercial·USaka microsoft, microsoft corporation

Windows Server 2008 Service Pack 2 (Server Core Installation)On-premOS

Operating Systems / windows

Windows Server 2012 (Server Core installation)On-premOS

Operating Systems / windows

Windows Server 2012 R2 (Server Core installation)On-premOS

Operating Systems / windows

Windows Server 2008 R2 Service Pack 1 (Server Core installation)On-premOS

Operating Systems / windows

Windows 10 Version 1507On-premOS

Operating Systems / windows

Microsoft EdgeOn-premDesktop App

Consumer Software / browser

Windows Server 2016 (Server Core installation)On-premOS

Operating Systems / windows

Windows Server 2019 (Server Core installation)On-premOS

Operating Systems / windows

and 59 more affected products View all →

Exploitability

CISA Known Exploited Vulnerability

Added to KEV:May 13, 2025

Remediation due:Jun 3, 2025

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

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details

Official Patch Available

Workaround Available

Is your org exposed to CVE-2025-30397?Request an assessment to establish which checks are appropriate for your systems. Check my exposure

Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques

Initial Access

Privilege Escalation

View detailed technique mapping

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-30397

msrc.microsoft.com

https://www.securitylab.ru/news/559296.php

securitylab.ru

https://www.vicarius.io/vsociety/posts/cve-2025-30397-type-confusion-vulnerability-in-microsoft-scripting-engine-detection-script

vicarius.io

and 3 more references View all →

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