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CVE Record

CVE-1999-1094: Buffer overflow in Internet Explorer 4.01 and earlier allows remote attackers to execute arbitrary commands...

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."

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysis

Security readout for executives and security teams

CVE-1999-1094 is an old Internet Explorer issue where a specially long mk: URL could overflow browser memory and let a remote attacker run commands. The sources name Internet Explorer 4.01 and earlier. Modern exposure should be uncommon, but any retained legacy browser environment should treat it seriously. Likely limited to obsolete systems that still run Internet Explorer 4.01 or earlier, including legacy lab, kiosk, archival, or embedded workflows. Low enterprise-wide unless legacy Internet Explorer is still used. If present, prioritize removal because the impact is command execution from web content. Mitigation focus: Identify and retire Internet Explorer 4.01 or earlier wherever present.; Check Microsoft KB Q176697 or archived vendor guidance for historical remediation details.; Move legacy workflows to supported browsers and operating systems..

Prepared

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

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0CVSS vectors
0Timeline events
0ADP providers
2Source links

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Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

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