How severe is CVE-1999-0749?

CVE-1999-0749 has a CVSS 2.0 base score of 2.6, rated low severity.

Is CVE-1999-0749 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-1999-0749?

CVE-1999-0749 primarily affects Microsoft Windows 95. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-1999-0749?

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

When was CVE-1999-0749 published?

CVE-1999-0749 was published on 1999-08-16 and last updated on 2026-06-16.

CVE-1999-0749

CVE-1999-0749 is a low-severity vulnerability in Microsoft Windows 95 with a CVSS 2.0 base score of 2.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Low (CVSS 2.0 base score 2.6)
EPSS exploit prediction: 8% (94th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Microsoft Windows 95
Published: 1999-08-16
Last modified: 2026-06-16

Description

Buffer overflow in Microsoft Telnet client in Windows 95 and Windows 98 via a malformed Telnet argument.

Frequently asked questions

What is CVE-1999-0749?: Buffer overflow in Microsoft Telnet client in Windows 95 and Windows 98 via a malformed Telnet argument.
How severe is CVE-1999-0749?: CVE-1999-0749 has a CVSS 2.0 base score of 2.6, rated low severity.
Is CVE-1999-0749 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-1999-0749?: CVE-1999-0749 primarily affects Microsoft Windows 95. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-1999-0749?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-1999-0749 published?: CVE-1999-0749 was published on 1999-08-16 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:o:microsoft:windows_95:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_98:*:gold:*:*:*:*:*:*

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