CVE-2007-2223

Exp

Microsoft XML Core Services (MSXML) 3.0 through 6.0 allows remote attackers to execute arbitrary code via the substringData method on a (1) TextNode or (2) XMLDOM object, which causes an integer overflow that leads to a buffer overflow.

Published: 2007-08-14 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]

NVD Status：Modified，CVE State: published

View at NVD, CVE.org, EUVD

Threat Intelligence & Risk Assessment for CVE-2007-2223

EPSS CVSS CWE Exploit-DB Affected

Conclusion & alert: CVE-2007-2223 is rated High Exploit Risk (87/100): CVSS Critical severity, with high exploitation likelihood (EPSS 68.50%, 99th percentile). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2007-2223

EDB-ID	Source	Kind	Published	Link
30493	exploit_db	edb	2007-08-14	Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2007-2223

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

#	Date	Old EPSS score	New EPSS score	Delta (New - Old)
1	2026-04-02	68.20%	68.50%	+0.30%
2	2025-12-28	70.65%	68.20%	-2.45%
3	2025-12-27	—	70.65%	—

Full EPSS history (20 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2007-2223

CVSS metrics for this CVE.

Base score	Version	Severity	Vector	Exploitability	Impact	Score source
9.3	2.0	HIGH	`AV:N/AC:M/Au:N/C:C/I:C/A:C` Click to expand Access vector (AV:N) Can be exploited remotely over network reachability. Access complexity (AC:M) Exploitation needs some favorable conditions, but not exceptional ones. Authentication (AU:N) No authentication is required. Confidentiality impact (C:C) Complete confidentiality impact. Integrity impact (I:C) Complete integrity impact. Availability impact (A:C) Complete availability impact.	8.6	10.0	[email protected]

Weakness enumeration for CVE-2007-2223

CWE-119 MITRE ↗ CWE-190 MITRE ↗

Affected software / configurations for CVE-2007-2223

Vendor	Product	Version	Raw CPE
microsoft	xml_core_services	3.0	cpe:2.3:a:microsoft:xml_core_services:3.0:::::::*
microsoft	xml_core_services	4.0	cpe:2.3:a:microsoft:xml_core_services:4.0:::::::*
microsoft	xml_core_services	6.0	cpe:2.3:a:microsoft:xml_core_services:6.0:::::::*
microsoft	xml_core_services	5.0	cpe:2.3:a:microsoft:xml_core_services:5.0:::::::*

References for CVE-2007-2223

URL	Tags
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=576	Broken Link
http://secunia.com/advisories/26447	Vendor Advisory
http://www.kb.cert.org/vuls/id/361968	Third Party Advisory US Government Resource
http://www.securityfocus.com/archive/1/476527/100/0/threaded	Third Party Advisory VDB Entry
http://www.securityfocus.com/archive/1/476747/100/0/threaded	Third Party Advisory VDB Entry
http://www.securityfocus.com/bid/25301	Third Party Advisory VDB Entry
http://www.securitytracker.com/id?1018559	Third Party Advisory VDB Entry
http://www.vupen.com/english/advisories/2007/2866	Vendor Advisory
http://www.zerodayinitiative.com/advisories/ZDI-07-048/	Third Party Advisory VDB Entry
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2007/ms07-042	Patch Vendor Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A2069	Third Party Advisory

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