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Vulnerability record · CVE-2004-0501 · published 18 August 2004

CVE-2004-0501: Microsoft outlook vulnerability

Microsoft · Outlook

Outlook 2003 allows remote attackers to bypass intended access restrictions and cause Outlook to request a URL from a remote site via an HTML e-mail message containing a Vector Markup Language (VML) entity whose src parameter points to the remote site, which could allow remote attackers to know when a message has been read, verify valid e-mail addresses, and possibly leak other information.

5.0 CVSS 2.0 Medium EPSS 19% · top 2.8%
5.0CVSS 2.0 base score
19%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
10References, 2 tagged exploit
16 Jun 2026Last modified by NVD

Description

Outlook 2003 allows remote attackers to bypass intended access restrictions and cause Outlook to request a URL from a remote site via an HTML e-mail message containing a Vector Markup Language (VML) entity whose src parameter points to the remote site, which could allow remote attackers to know when a message has been read, verify valid e-mail addresses, and possibly leak other information.

AV:N/AC:L/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://marc.info/?l=bugtraq&m=108430168919965&w=2
http://marc.info/?l=bugtraq&m=108637351805607&w=2
http://marc.info/?l=ntbugtraq&m=108644231209698&w=2
http://www.securityfocus.com/bid/10323 ExploitVendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/16116
http://marc.info/?l=bugtraq&m=108430168919965&w=2
http://marc.info/?l=bugtraq&m=108637351805607&w=2
http://marc.info/?l=ntbugtraq&m=108644231209698&w=2
http://www.securityfocus.com/bid/10323 ExploitVendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/16116

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Related vulnerabilities

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

9.8CVE-2023-23397Microsoft Outlook improper input validation privilege escalationCVE-2023-23397 is a critical elevation of privilege flaw in Microsoft Outlook caused by improper input validation and an authentication bypass by cap…KEVEPSS 97%analysed8.8CVE-2023-35311Microsoft Outlook security feature bypass via TOCTOU race conditionCVE-2023-35311 is a security feature bypass in Microsoft Outlook caused by a time-of-check time-of-use (TOCTOU) race condition (CWE-367). It affects …KEVEPSS 16%analysed8.8CVE-2007-0671Microsoft Excel remote code execution via malformed fileCVE-2007-0671 is an unspecified vulnerability in Microsoft Excel 2000, XP, 2003, and 2004 for Mac, and possibly other Office products, that allows re…KEVEPSS 43%analysed7.8CVE-2017-11774Microsoft Outlook memory handling flaw allows arbitrary command executionMicrosoft Outlook 2010 SP2, 2013 SP1/RT SP1 and 2016 mishandle objects in memory, letting an attacker bypass Outlook security features and execute ar…KEVEPSS 60%analysed7.8CVE-2015-1641Microsoft Office Word RTF out-of-bounds write memory corruptionMicrosoft Word and related Office components (Word 2007/2010/2013, Word for Mac 2011, Office Compatibility Pack, Word Automation Services, Office Web…KEVEPSS 97%analysed10.0CVE-2001-0538Microsoft Outlook View ActiveX Control allows remote command executionThe Outlook View ActiveX Control in Microsoft Outlook 2002 and earlier fails to properly restrict how it is invoked, so a malicious HTML e-mail or we…EPSS 53%analysed9.3CVE-2013-3870Microsoft outlook vulnerabilityDouble free vulnerability in Microsoft Outlook 2007 SP3 and 2010 SP1 and SP2 allows remote attackers to execute arbitrary code by including many nest…EPSS 19%9.3CVE-2010-2728Microsoft outlook memory buffer overflow vulnerabilityHeap-based buffer overflow in Microsoft Outlook 2002 SP3, 2003 SP3, and 2007 SP2, when Online Mode for an Exchange Server is enabled, allows remote a…EPSS 17%

Source: NIST National Vulnerability Database (record CVE-2004-0501), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.