# CVE-2015-1671: Microsoft Windows Remote Code Execution Vulnerability

> CVE-2015-1671: Microsoft Windows Remote Code Execution Vulnerability. CVSS 7.8 (CVSS 3.1), in CISA KEV.

Canonical: https://rewindex.com/cve/CVE-2015-1671
Last updated: 2025-10-21T23:56:01Z

- Published: 2015-05-13 10:00 UTC · Updated: 2025-10-21 23:56 UTC · Assigner: microsoft
- CVSS: 7.8 (CVSS 3.1) · Severity: High · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS: 48.8%, 99th percentile (scored 2026-10-25)
- CISA KEV: yes, added 2022-05-25, federal due date 2022-06-15, ransomware use: Unknown

## 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; Office 2007 SP3 and 2010 SP2; Live Meeting 2007 Console; Lync 2010; Lync 2010 Attendee; Lync 2013 SP1; Lync Basic 2013 SP1; Silverlight 5 before 5.1.40416.00; and Silverlight 5 Developer Runtime before 5.1.40416.00, allows remote attackers to execute arbitrary code via a crafted TrueType font, aka "TrueType Font Parsing Vulnerability."

## CISA required action

Apply updates per vendor instructions.

## Affected vendors and products

- Microsoft: Windows

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2015-1671)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2015-1671)
- [https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-044](https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-044)
- [http://www.securityfocus.com/bid/74490](http://www.securityfocus.com/bid/74490)
- [http://www.securitytracker.com/id/1032281](http://www.securitytracker.com/id/1032281)

---

_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


---
Canonical: https://rewindex.com/cve/CVE-2015-1671 · Markdown: https://rewindex.com/cve/CVE-2015-1671.md · JSON: https://rewindex.com/api/v1/cves/CVE-2015-1671 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T02:49:22.451Z