CVE-1999-0668

NONECVSS 0.0Weaponized

0.0

The scriptlet.typelib ActiveX control is marked as "safe for scripting" for Internet Explorer, which allows a remote attacker to execute arbitrary commands as demonstrated by Bubbleboy.

CVSS v3: —
EG Score: —
EPSS: 95.3%
KEV: Not listed

Published

August 21, 1999

Last Modified

April 16, 2026

References (8)

cve@mitrehttp://ciac.llnl.gov/ciac/bulletins/j-064.shtml
cve@mitrehttp://support.microsoft.com/default.aspx?scid=kb%3B%5BLN%5D%3BQ240308
cve@mitrehttp://www.securityfocus.com/bid/598
cve@mitrehttps://docs.microsoft.com/en-us/security-updates/securitybulletins/1999/ms99-032
af854a3a-2127-422b-91ae-364da2661108http://ciac.llnl.gov/ciac/bulletins/j-064.shtml
af854a3a-2127-422b-91ae-364da2661108http://support.microsoft.com/default.aspx?scid=kb%3B%5BLN%5D%3BQ240308
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/598
af854a3a-2127-422b-91ae-364da2661108https://docs.microsoft.com/en-us/security-updates/securitybulletins/1999/ms99-032

Data Freshness Timeline

(refreshed 12× in last 7d / 19× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-29 13:40 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
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2026-05-26 07:16 UTCepss_batch
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Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

Exploit-DBEDB-19468✓ verified
First seen Aug 21, 1999
Microsoft Internet Explorer 5 - ActiveX Object For Constructing Type Libraries For Scriptlets File Write
Open source ↗

Frequently asked(4)

What is CVE-1999-0668?

CVE-1999-0668 is a none vulnerability published on August 21, 1999. The scriptlet.typelib ActiveX control is marked as "safe for scripting" for Internet Explorer, which allows a remote attacker to execute arbitrary commands as demonstrated by Bubbleboy.

When was CVE-1999-0668 disclosed?

CVE-1999-0668 was first published in the National Vulnerability Database on August 21, 1999, with the most recent update on April 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-1999-0668 actively exploited?

CVE-1999-0668 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 95.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-1999-0668?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-1999-0668, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-1999-0668

📅 Published

🔄 Last Modified

🔗 References (8)