CVE-1999-1093
published 1999-12-31CVE-1999-1093: Buffer overflow in the Window.External function in the JScript Scripting Engine in Internet Explorer 4.01 SP1 and earlier allows remote attackers to execute…
PriorityP422medium5.1CVSS 2.0
AVNACHAuNCPIPAP
EPSS
12.55%
95.7th percentile
Buffer overflow in the Window.External function in the JScript Scripting Engine in Internet Explorer 4.01 SP1 and earlier allows remote attackers to execute arbitrary commands via a malicious web page.
Affected
3 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| microsoft | internet_explorer | <= 4.0.1 | — |
| microsoft | internet_explorer | — | — |
| microsoft | internet_explorer | — | — |
Stop checking back — get the weekly exploitation signal.
Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.
VulDB
Microsoft Internet Explorer 4.0/4.01 JScript Scripting Engine window.external memory corruption (MS98-011 / XFDB-1276)
vuldb·2026-04-20·CVSS 5.1
CVE-1999-1093 [MEDIUM] Microsoft Internet Explorer 4.0/4.01 JScript Scripting Engine window.external memory corruption (MS98-011 / XFDB-1276)
A vulnerability identified as critical has been detected in Microsoft Internet Explorer 4.0/4.01. This issue affects the function window.external of the component JScript Scripting Engine. Performing a manipulation results in memory corruption.
This vulnerability is cataloged as CVE-1999-1093. It is possible to initiate the attack remotely. There is no exploit available.
It is suggested to install a patch to address this issue.
GHSA
GHSA-2w6r-5vhj-25r3: Buffer overflow in the Window
ghsa_unreviewed·2022-04-30
CVE-1999-1093 [MEDIUM] GHSA-2w6r-5vhj-25r3: Buffer overflow in the Window
Buffer overflow in the Window.External function in the JScript Scripting Engine in Internet Explorer 4.01 SP1 and earlier allows remote attackers to execute arbitrary commands via a malicious web page.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
http://support.microsoft.com/support/kb/articles/q191/2/00.asphttp://www.iss.net/security_center/static/1276.phphttps://docs.microsoft.com/en-us/security-updates/securitybulletins/1998/ms98-011http://support.microsoft.com/support/kb/articles/q191/2/00.asphttp://www.iss.net/security_center/static/1276.phphttps://docs.microsoft.com/en-us/security-updates/securitybulletins/1998/ms98-011
1999-12-31
Published