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Vulnerability record · CVE-2015-1670 · published 13 May 2015

CVE-2015-1670: Microsoft .net framework information exposure vulnerability

Microsoft · .Net Framework

The Windows DirectWrite library, as used in Microsoft .NET Framework 3.0 SP2, 3.5, 3.5.1, 4, 4.5, 4.5.1, and 4.5.2, allows remote attackers to obtain sensitive information from process memory via a crafted OpenType font on a web site, aka "OpenType Font Parsing Vulnerability."

4.3 CVSS 2.0 Medium EPSS 16% · top 3.2% CWE-200 · Information exposure
4.3CVSS 2.0 base score
16%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References
17 Jun 2026Last modified by NVD

Description

The Windows DirectWrite library, as used in Microsoft .NET Framework 3.0 SP2, 3.5, 3.5.1, 4, 4.5, 4.5.1, and 4.5.2, allows remote attackers to obtain sensitive information from process memory via a crafted OpenType font on a web site, aka "OpenType Font Parsing Vulnerability."

AV:N/AC:M/Au:N/C:P/I:N/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.securityfocus.com/bid/74485 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1032281 Third Party AdvisoryVDB Entry
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-044
http://www.securityfocus.com/bid/74485 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1032281 Third Party AdvisoryVDB Entry
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-044

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2015-1670), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.