CVE-2014-1816

Microsoft XML Core Services (aka MSXML) 3.0 and 6.0 does not properly restrict the information transmitted by Internet Explorer during a download action, which allows remote attackers to discover (1) full pathnames on the client system and (2) local usernames embedded in these pathnames via a crafted web site, aka "MSXML Entity URI Vulnerability."

Published: 2014-06-11 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]

NVD Status：Modified，CVE State: published

View at NVD, CVE.org, EUVD

Conclusion & alert: CVE-2014-1816 is rated Moderate Risk (45.4/100): CVSS Medium severity, with high exploitation likelihood (EPSS 10.85%, 93th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.

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

Exploit prediction scoring system (EPSS) score for CVE-2014-1816

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	2025-03-30	15.13%	10.85%	-4.28%
2	2025-03-29	10.85%	15.13%	+4.28%
3	2025-03-23	—	10.85%	—

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2014-1816

CVSS metrics for this CVE.

Base score	Version	Severity	Vector	Exploitability	Impact	Score source
4.3	2.0	MEDIUM	`AV:N/AC:M/Au:N/C:P/I:N/A:N` 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:P) Partial confidentiality impact. Integrity impact (I:N) No integrity impact. Availability impact (A:N) No availability impact.	8.6	2.9	[email protected]

Weakness enumeration for CVE-2014-1816

CWE-264 MITRE ↗

Affected software / configurations for CVE-2014-1816

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	6.0	cpe:2.3:a:microsoft:xml_core_services:6.0:::::::*

References for CVE-2014-1816

URL	Tags
http://blogs.technet.com/b/srd/archive/2014/06/10/assessing-risk-for-the-june-2014-security-updates.aspx	Vendor Advisory
http://secunia.com/advisories/58538	Permissions Required
http://www.securityfocus.com/bid/67895	Third Party Advisory VDB Entry
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-033

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