{"cveID":"CVE-2025-30397","vendorProject":"Microsoft","product":"Windows","vulnerabilityName":"Microsoft Windows Scripting Engine Type Confusion Vulnerability","dateAdded":"2025-05-13","shortDescription":"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.","requiredAction":"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.","dueDate":"2025-06-03","knownRansomwareCampaignUse":"Unknown","notes":"https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2025-30397 ; https://nvd.nist.gov/vuln/detail/CVE-2025-30397","cwes":["CWE-843"],"year":2025,"state":"mapped","stale_reasons":[],"mappings":[{"domain":"enterprise","cve":"CVE-2025-30397","technique":"T1203","technique_name_at_mapping":"Exploitation for Client Execution","mapping_type":"exploitation_technique","capability_group":"type_confusion","comments":"This vulnerability has enabled attackers to use heap spraying techniques to trigger a memory corruption, allowing them to execute code remotely.","references":["https://github.com/mbanyamer/CVE-2025-30397---Windows-Server-2025-JScript-RCE-Use-After-Free-"],"status":"complete","source_file":"kev-07.28.2025_attack-16.1-enterprise.json","attack_version":"16.1","kev_snapshot":"07/28/2025"},{"domain":"enterprise","cve":"CVE-2025-30397","technique":"T1059","technique_name_at_mapping":"Command and Scripting Interpreter","mapping_type":"primary_impact","capability_group":"type_confusion","comments":"This vulnerability has enabled attackers to use heap spraying techniques to trigger a memory corruption, allowing them to execute code remotely.","references":["https://github.com/mbanyamer/CVE-2025-30397---Windows-Server-2025-JScript-RCE-Use-After-Free-"],"status":"complete","source_file":"kev-07.28.2025_attack-16.1-enterprise.json","attack_version":"16.1","kev_snapshot":"07/28/2025"}],"techniques":[{"id":"T1059","domains":["enterprise"],"in_current_bundle":true,"live":true,"name_now":"Command and Scripting Interpreter","name_at_mapping":"Command and Scripting Interpreter","renamed":false,"revoked_by":null,"mapping_types":["primary_impact"],"sigma_rule_count":95,"has_detection_strategy":true},{"id":"T1203","domains":["enterprise"],"in_current_bundle":true,"live":true,"name_now":"Exploitation for Client Execution","name_at_mapping":"Exploitation for Client Execution","renamed":false,"revoked_by":null,"mapping_types":["exploitation_technique"],"sigma_rule_count":35,"has_detection_strategy":true}],"mapping_types":["exploitation_technique","primary_impact"],"has_exploitation_technique":true,"mapping_attack_versions":["16.1"],"mapping_domains":["enterprise"],"sigma_coverage":"full","sigma_rules_tagged_cve":[],"added_after_mapping_snapshot":false,"_source":"kevmap","_built":"2026-08-23 05:47 UTC","_attack_version":"19.2"}