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CISA Known Exploited Vulnerabilities

Microsoft Windows Scripting Engine Type Confusion Vulnerability is confirmed as actively exploited and is listed in the CISA KEV catalog.

Added to KEV
2025-05-13
Remediation due
2025-06-03

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.

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

Description

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

Severity

CVSS 3.1 · CNA7.5 HIGH
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
SSVC · CISA-ADP
Exploitationactive
Automatableno
Technical impacttotal

Affected Products

VendorProductAffected versions
MicrosoftWindows 10 Version 1507
10.0.10240.0 to <10.0.10240.21014
MicrosoftWindows 10 Version 1607
10.0.14393.0 to <10.0.14393.8066
MicrosoftWindows 10 Version 1809
10.0.17763.0 to <10.0.17763.7314
MicrosoftWindows 10 Version 21H2
10.0.19044.0 to <10.0.19044.5854
MicrosoftWindows 10 Version 22H2
10.0.19045.0 to <10.0.19045.5854
MicrosoftWindows 11 version 22H2
10.0.22621.0 to <10.0.22621.5335
MicrosoftWindows 11 version 22H3
10.0.22631.0 to <10.0.22631.5335
MicrosoftWindows 11 Version 23H2
10.0.22631.0 to <10.0.22631.5335
MicrosoftWindows 11 Version 24H2
10.0.26100.0 to <10.0.26100.4061
MicrosoftWindows Server 2008 R2 Service Pack 1
6.1.7601.0 to <6.1.7601.27729
MicrosoftWindows Server 2008 R2 Service Pack 1 (Server Core installation)
6.1.7601.0 to <6.1.7601.27729
MicrosoftWindows Server 2008 Service Pack 2
6.0.6003.0 to <6.0.6003.23279
MicrosoftWindows Server 2008 Service Pack 2 (Server Core installation)
6.0.6003.0 to <6.0.6003.23279
MicrosoftWindows Server 2012
6.2.9200.0 to <6.2.9200.25475
MicrosoftWindows Server 2012 (Server Core installation)
6.2.9200.0 to <6.2.9200.25475
MicrosoftWindows Server 2012 R2
6.3.9600.0 to <6.3.9600.22577
MicrosoftWindows Server 2012 R2 (Server Core installation)
6.3.9600.0 to <6.3.9600.22577
MicrosoftWindows Server 2016
10.0.14393.0 to <10.0.14393.8066
MicrosoftWindows Server 2016 (Server Core installation)
10.0.14393.0 to <10.0.14393.8066
MicrosoftWindows Server 2019
10.0.17763.0 to <10.0.17763.7314
MicrosoftWindows Server 2019 (Server Core installation)
10.0.17763.0 to <10.0.17763.7314
MicrosoftWindows Server 2022
10.0.20348.0 to <10.0.20348.3692
MicrosoftWindows Server 2022, 23H2 Edition (Server Core installation)
10.0.25398.0 to <10.0.25398.1611
MicrosoftWindows Server 2025
10.0.26100.0 to <10.0.26100.4061
MicrosoftWindows Server 2025 (Server Core installation)
10.0.26100.0 to <10.0.26100.4061

CVE record data © The MITRE Corporation, used under the CVE Terms of Use. Exploited-in-the-wild data from the CISA Known Exploited Vulnerabilities catalog (CC0). Exploit prediction scores by FIRST EPSS (first.org/epss). This site is not endorsed or certified by MITRE, NVD, CISA, or FIRST.