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CVE-2025-30397

Scripting Engine Memory Corruption Vulnerability

Published: May 13, 2025Updated: Oct 27, 2025 Sources: CVE List NVD BDUCWE-843
NVD MITRE
7.5CVSSHIGH
EPSS Score
21.6%
Top 2.7%
CISA KEV
Active Exploitation
Since May 13, 2025
Exploits
1 Known
Remediation
Patch Available

Description

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

CVSS Vector Breakdown

AV:NAC:HPR:NUI:RS:UC:HI:HA:H
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
Open in CVSS calculator →

Weaknesses

CWE-843

Affected Products

Windows 10 Version 1507Microsoft
On-premOS
Operating Systems / windows
Windows 10 Version 1607Microsoft
On-premOS
Operating Systems / windows
Windows 10 Version 1809Microsoft
On-premOS
Operating Systems / windows
Windows 10 Version 21H2Microsoft
On-premOS
Operating Systems / windows
Windows 10 Version 22H2Microsoft
On-premOS
Operating Systems / windows
microsoftcommercialUSOperating Systems
and 62 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

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

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://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-30397
msrc.microsoft.com
https://www.securitylab.ru/news/559296.php
securitylab.ru
and 3 more references View all →

Timeline

Added to CISA KEV
May 13, 2025
Published
May 13, 2025
Last Updated
Oct 27, 2025

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