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Vulnerability record · CVE-2002-1698 · published 31 December 2002

CVE-2002-1698: Microsoft msn messenger vulnerability

Microsoft · Msn Messenger

Buffer overflow in Microsoft MSN Messenger Service 1.0 through 4.6 allows remote attackers to cause a denial of service (crash) via a long FN (font) argument in the message header.

5.0 CVSS 2.0 Medium EPSS 16% · top 3.3%
5.0CVSS 2.0 base score
16%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References
16 Jun 2026Last modified by NVD

Description

Buffer overflow in Microsoft MSN Messenger Service 1.0 through 4.6 allows remote attackers to cause a denial of service (crash) via a long FN (font) argument in the message header.

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

Affected products

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

References

LinkTags
http://online.securityfocus.com/archive/1/271130
http://www.securityfocus.com/bid/4675
https://exchange.xforce.ibmcloud.com/vulnerabilities/9014
http://online.securityfocus.com/archive/1/271130
http://www.securityfocus.com/bid/4675
https://exchange.xforce.ibmcloud.com/vulnerabilities/9014

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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-2002-1698), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.