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CVE-1999-1094

Buffer overflow in Internet Explorer 4.01 and earlier allows remote attackers to execute...

7.5 High

Buffer overflow in Internet Explorer 4.01 and earlier allows remote attackers to execute arbitrary commands via a long URL with the "mk:" protocol, aka the "MK Overrun security issue."

Exploit likelihood

18.4%Up 6.7 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 7.5

Buffer overflow in Internet Explorer 4.01 and earlier allows remote attackers to execute arbitrary commands via a long URL with the "mk:" protocol, aka the "MK Overrun security issue."

Record
CVE-1999-1094
CVSS 2.0
7.5 HighAV:N/AC:L/Au:N/C:P/I:P/A:P
Updated
2026-11-02
CVE List No score

Buffer overflow in Internet Explorer 4.01 and earlier allows remote attackers to execute arbitrary commands via a long URL with the "mk:" protocol, aka the "MK Overrun security issue."

Record
CVE-1999-1094
Updated
2026-11-02
EUVDEUVD-1999-1075 No score

Buffer overflow in Internet Explorer 4.01 and earlier allows remote attackers to execute arbitrary commands via a long URL with the "mk:" protocol, aka the "MK Overrun security issue."

Record
EUVD-1999-1075
Updated
2026-11-03
GitHub AdvisoriesGHSA-wcrg-6ghq-6288 No score

Buffer overflow in Internet Explorer 4.01 and earlier allows remote attackers to execute...

Buffer overflow in Internet Explorer 4.01 and earlier allows remote attackers to execute arbitrary commands via a long URL with the "mk:" protocol, aka the "MK Overrun security issue."

Record
GHSA-wcrg-6ghq-6288
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
facts
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-1999-1094 is a high vulnerability (CVSS 7.5) in Microsoft Internet Explorer, published December 31, 1999. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 18.4%, the 97th percentile. No source names a fixed version.

References

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