MSRC_CVE-2025-30397
Vulnerability from csaf_microsoft - Published: 2025-05-13 07:00 - Updated: 2025-05-13 07:00Summary
Scripting Engine Memory Corruption Vulnerability
Severity
Important
Notes
Additional Resources: To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle
Disclaimer: The information provided in the Microsoft Knowledge Base is provided \"as is\" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.
Customer Action: Required. The vulnerability documented by this CVE requires customer action to resolve.
CWE-843
- Access of Resource Using Incompatible Type ('Type Confusion')
Vendor Fix
10.0.17763.7314:Security Update:https://support.microsoft.com/help/5058392
https://support.microsoft.com/help/5058392
Vendor Fix
10.0.20348.3692:Security Update:https://support.microsoft.com/help/5058385
https://support.microsoft.com/help/5058385
Vendor Fix
10.0.20348.3630:SecurityHotpatchUpdate:https://support.microsoft.com/help/5058500
https://support.microsoft.com/help/5058500
Vendor Fix
10.0.19044.5854:Security Update:https://support.microsoft.com/help/5058379
https://support.microsoft.com/help/5058379
Vendor Fix
10.0.22621.5335:Security Update:https://support.microsoft.com/help/5058405
https://support.microsoft.com/help/5058405
Vendor Fix
10.0.19045.5854:Security Update:https://support.microsoft.com/help/5058379
https://support.microsoft.com/help/5058379
Vendor Fix
10.0.26100.4061:Security Update:https://support.microsoft.com/help/5058411
https://support.microsoft.com/help/5058411
Vendor Fix
10.0.26100.3981:SecurityHotpatchUpdate:https://support.microsoft.com/help/5058497
https://support.microsoft.com/help/5058497
Vendor Fix
10.0.22631.5335:Security Update:https://support.microsoft.com/help/5058405
https://support.microsoft.com/help/5058405
Vendor Fix
10.0.25398.1611:Security Update:https://support.microsoft.com/help/5058384
https://support.microsoft.com/help/5058384
Vendor Fix
10.0.10240.21014:Security Update:https://support.microsoft.com/help/5058387
https://support.microsoft.com/help/5058387
Vendor Fix
10.0.14393.8066:Security Update:https://support.microsoft.com/help/5058383
https://support.microsoft.com/help/5058383
Vendor Fix
6.0.6003.23279:Monthly Rollup:https://support.microsoft.com/help/5058449
https://support.microsoft.com/help/5058449
Vendor Fix
6.0.6003.23279:Security Only:https://support.microsoft.com/help/5058429
https://support.microsoft.com/help/5058429
Vendor Fix
1.003:IE Cumulative:https://support.microsoft.com/en-us/help/5058380
https://support.microsoft.com/en-us/help/5058380
Vendor Fix
6.1.7601.27729:Monthly Rollup:https://support.microsoft.com/help/5058430
https://support.microsoft.com/help/5058430
Vendor Fix
6.1.7601.27729:Security Only:https://support.microsoft.com/help/5058454
https://support.microsoft.com/help/5058454
Vendor Fix
6.2.9200.25475:Monthly Rollup:https://support.microsoft.com/help/5058451
https://support.microsoft.com/help/5058451
Vendor Fix
6.3.9600.22577:Monthly Rollup:https://support.microsoft.com/help/5058403
https://support.microsoft.com/help/5058403
References
Acknowledgments
Microsoft Threat Intelligence Center
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{
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"cwe": {
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"name": "Access of Resource Using Incompatible Type (\u0027Type Confusion\u0027)"
},
"notes": [
{
"category": "general",
"text": "Microsoft",
"title": "Assigning CNA"
},
{
"category": "faq",
"text": "Successful exploitation of this vulnerability requires an attacker to first prepare the target so that it uses Edge in Internet Explorer Mode.",
"title": "According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability?"
},
{
"category": "faq",
"text": "This attack requires an authenticated client to click a link so that an unauthenticated attacker can initiate remote code execution.",
"title": "According to the CVSS metric, the attack vector is network (AV:N) and the user interaction is required (UI:R). What is the target context of the remote code execution?"
},
{
"category": "faq",
"text": "The user would have to click on a specially crafted URL to be compromised by the attacker.",
"title": "According to the CVSS metric, user interaction is required (UI:R). What interaction would the user have to do?"
},
{
"category": "faq",
"text": "While Microsoft has announced retirement of the Internet Explorer 11 application on certain platforms and the Microsoft Edge Legacy application is deprecated, the underlying MSHTML, EdgeHTML, and scripting platforms are still supported. The MSHTML platform is used by Internet Explorer mode in Microsoft Edge as well as other applications through WebBrowser control. The EdgeHTML platform is used by WebView and some UWP applications. The scripting platforms are used by MSHTML and EdgeHTML but can also be used by other legacy applications. Updates to address vulnerabilities in the MSHTML platform and scripting engine are included in the IE Cumulative Updates; EdgeHTML and Chakra changes are not applicable to those platforms.\nTo stay fully protected, we recommend that customers who install Security Only updates install the IE Cumulative updates for this vulnerability.",
"title": "The Security Updates table indicates that this vulnerability affects all supported versions of Microsoft Windows. Why are IE Cumulative updates listed for Windows Server 2008, Windows Server 2008 R2, Windows Server 2012, and Windows Server 2012 R2?"
}
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},
"references": [
{
"category": "self",
"summary": "CVE-2025-30397 Scripting Engine Memory Corruption Vulnerability - HTML",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-30397"
},
{
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"summary": "CVE-2025-30397 Scripting Engine Memory Corruption Vulnerability - CSAF",
"url": "https://msrc.microsoft.com/csaf/advisories/2025/msrc_cve-2025-30397.json"
}
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"scores": [
{
"cvss_v3": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"environmentalsScore": 0.0,
"exploitCodeMaturity": "FUNCTIONAL",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"remediationLevel": "OFFICIAL_FIX",
"reportConfidence": "CONFIRMED",
"scope": "UNCHANGED",
"temporalScore": 7.0,
"userInteraction": "REQUIRED",
"vectorString": "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",
"version": "3.1"
},
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}
],
"threats": [
{
"category": "impact",
"details": "Remote Code Execution"
},
{
"category": "exploit_status",
"details": "Publicly Disclosed:No;Exploited:Yes;Latest Software Release:Exploitation Detected"
}
],
"title": "Scripting Engine Memory Corruption Vulnerability"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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