CVE-2009-0231

The Embedded OpenType (EOT) Font Engine (T2EMBED.DLL) in Microsoft Windows 2000 SP4, XP SP2 and...

8.8 High

The Embedded OpenType (EOT) Font Engine (T2EMBED.DLL) in Microsoft Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP2, Vista Gold, SP1, and SP2, and Server 2008 Gold and SP2 allows remote attackers to execute arbitrary code via a crafted name table in a data record that triggers an integer truncation and a heap-based buffer overflow, aka "Embedded OpenType Font Heap Overflow Vulnerability."

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: Required

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

37.5%Down 29.7 points since Feb 4, 2022

What each source reports

NVD Score used 8.8

Record: CVE-2009-0231
CVSS 3.1: 8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.0: 9.3 HighAV:N/AC:M/Au:N/C:C/I:C/A:C
Weakness: CWE-681
Updated: 2026-11-02

CVE List No score

Record: CVE-2009-0231
Updated: 2026-11-02

EUVDEUVD-2009-0239 No score

Record: EUVD-2009-0239
Updated: 2026-11-03

GitHub AdvisoriesGHSA-56xw-8wf9-j3x9 8.8

The Embedded OpenType (EOT) Font Engine (T2EMBED.DLL) in Microsoft Windows 2000 SP4, XP SP2 and...

Record: GHSA-56xw-8wf9-j3x9
CVSS 3.1: 8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness: CWE-119, CWE-681
Updated: 2026-11-02

Affected products

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2009-0231 is a high vulnerability (CVSS 8.8) in Microsoft Windows 2000, published July 15, 2009. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 37.5%, the 98th percentile. No source names a fixed version.