How severe is CVE-1999-1484?

CVE-1999-1484 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-1999-1484 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 27% (98th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-1999-1484?

CVE-1999-1484 affects Microsoft Msn Setup Bulletin Board Services. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-1999-1484?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-1999-1484 published?

CVE-1999-1484 was published on 1999-09-24 and last updated on 2026-06-16.

CVE-1999-1484

CVE-1999-1484 is a high-severity vulnerability in Microsoft Msn Setup Bulletin Board Services with a CVSS 2.0 base score of 7.5. Its EPSS exploit-prediction score of 27% places it in the 98th percentile, indicating an elevated likelihood of exploitation.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 27% (98th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Microsoft Msn Setup Bulletin Board Services
Published: 1999-09-24
Last modified: 2026-06-16

Description

Buffer overflow in MSN Setup BBS 4.71.0.10 ActiveX control (setupbbs.ocx) allows a remote attacker to execute arbitrary commands via the methods (1) vAddNewsServer or (2) bIsNewsServerConfigured.

Frequently asked questions

What is CVE-1999-1484?: Buffer overflow in MSN Setup BBS 4.71.0.10 ActiveX control (setupbbs.ocx) allows a remote attacker to execute arbitrary commands via the methods (1) vAddNewsServer or (2) bIsNewsServerConfigured.
How severe is CVE-1999-1484?: CVE-1999-1484 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-1999-1484 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 27% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-1999-1484?: CVE-1999-1484 affects Microsoft Msn Setup Bulletin Board Services. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-1999-1484?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-1999-1484 published?: CVE-1999-1484 was published on 1999-09-24 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:microsoft:msn_setup_bulletin_board_services:4.71.0.10:*:*:*:*:*:*:*