How severe is CVE-2002-1698?

CVE-2002-1698 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2002-1698 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 16% (96th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2002-1698?

CVE-2002-1698 primarily affects Microsoft Msn Messenger. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2002-1698?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2002-1698 published?

CVE-2002-1698 was published on 2002-12-31 and last updated on 2026-06-16.

CVE-2002-1698

CVE-2002-1698 is a medium-severity vulnerability in Microsoft Msn Messenger with a CVSS 2.0 base score of 5.0. Its EPSS exploit-prediction score of 16% places it in the 96th percentile, indicating an elevated likelihood of exploitation.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 16% (96th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Microsoft Msn Messenger
Published: 2002-12-31
Last modified: 2026-06-16

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.

Frequently asked questions

What is CVE-2002-1698?: 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.
How severe is CVE-2002-1698?: CVE-2002-1698 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2002-1698 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 16% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2002-1698?: CVE-2002-1698 primarily affects Microsoft Msn Messenger. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2002-1698?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2002-1698 published?: CVE-2002-1698 was published on 2002-12-31 and last updated on 2026-06-16.

References

Affected products (8)

cpe:2.3:a:microsoft:msn_messenger:1.0:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:msn_messenger:2.0:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:msn_messenger:2.2:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:msn_messenger:3.0:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:msn_messenger:3.6:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:msn_messenger:4.0:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:msn_messenger:4.5:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:msn_messenger:4.6:*:*:*:*:*:*:*

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