CVE-2025-30397

7.5

HIGH

Microsoft Windows Scripting Engine Type Confusion - [Actively Exploited]

Description

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

INFO

Published Date :

May 13, 2025, 5:16 p.m.

Last Modified :

May 29, 2025, 4:29 p.m.

Source :

[email protected]

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

1.6

CISA Notification

CISA KEV (Known Exploited Vulnerabilities)

For the benefit of the cybersecurity community and network defenders—and to help every organization better manage vulnerabilities and keep pace with threat activity—CISA maintains the authoritative source of vulnerabilities that have been exploited in the wild.

Due Date: Jun 03, 2025

Alert Date: May 13, 2025 | 22 days ago

Description :

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.

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.

Notes :

https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2025-30397 ; https://nvd.nist.gov/vuln/detail/CVE-2025-30397

Public PoC/Exploit Available at Github

CVE-2025-30397 has a 5 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2025-30397 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID	Vendor	Product
1	Microsoft	windows_server_2008
2	Microsoft	windows_server_2012
3	Microsoft	windows_server_2016
4	Microsoft	windows_server_2019
5	Microsoft	windows_10_1607
6	Microsoft	windows_10_1809
7	Microsoft	windows_10_21h2
8	Microsoft	windows_10_22h2
9	Microsoft	windows_server_2022
10	Microsoft	windows_11_22h2
11	Microsoft	windows_10_1507
12	Microsoft	windows_11_23h2
13	Microsoft	windows_server_2022_23h2
14	Microsoft	windows_server_23h2
15	Microsoft	windows_server_2012_r2
16	Microsoft	windows_server_2008_r2
17	Microsoft	windows_server_2008_sp2
18	Microsoft	windows_11_24h2
19	Microsoft	windows_server_2025

: Total Affected Vendor : 1 | Products : 19

References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2025-30397.

URL	Resource
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-30397	Vendor Advisory
https://www.vicarius.io/vsociety/posts/cve-2025-30397-type-confusion-vulnerability-in-microsoft-scripting-engine-detection-script	Exploit
https://www.vicarius.io/vsociety/posts/cve-2025-30397-type-confusion-vulnerability-in-microsoft-scripting-engine-mitigation-script	Mitigation

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

jibinjobyp/internshipdaythree

None

Updated: 2 days, 12 hours ago

0 stars 0 fork 0 watcher

Born at : June 1, 2025, 3:17 p.m. This repo has been linked 8 different CVEs too.

mbanyamer/CVE-2025-30397---Windows-Server-2025-JScript-RCE-Use-After-Free-

Remote Code Execution via Use-After-Free in JScript.dll (CVE-2025-30397)

Python

Updated: 2 days, 8 hours ago

25 stars 7 fork 7 watcher

Born at : May 31, 2025, 12:20 p.m. This repo has been linked 1 different CVEs too.

Leviticus-Triage/ChromSploit-Framework

Advanced AI-Powered Exploitation Framework | CVE-2025-4664 & CVE-2025-2783 & CVE-2025-2857 & CVE-2025-30397 |

Python

Updated: 1 week ago

1 stars 1 fork 1 watcher

Born at : May 26, 2025, 12:51 p.m. This repo has been linked 4 different CVEs too.

Sratet/CVE-2025-30397-RCE

None

Updated: 2 weeks, 5 days ago

0 stars 0 fork 0 watcher

Born at : May 15, 2025, 11:13 a.m. This repo has been linked 1 different CVEs too.

ums91/CISA_BOT

CISA Bot is a GitHub bot that automatically monitors the Cybersecurity and Infrastructure Security Agency (CISA) Known Exploited Vulnerabilities (KEV) Catalog. When new vulnerabilities are published in the KEV, the bot creates GitHub issues in this repository with detailed information about each vulnerability.

Python

Updated: 3 days, 21 hours ago

1 stars 0 fork 0 watcher

Born at : Oct. 29, 2024, 10:19 a.m. This repo has been linked 151 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2025-30397 vulnerability anywhere in the article.

CrowdStrike.com

May 2025 Patch Tuesday: Five Zero-Days and Five Critical Vulnerabilities Among 72 CVEs

Microsoft has addressed 72 vulnerabilities in its May 2025 security update release. This month's patches include fixes for five actively exploited zero-day vulnerabilities, including a zero-day vulner ...

Published Date: Jun 04, 2025 (2 hours, 3 minutes ago)