CVE-1999-1241

CRITICAL

Internet Explorer, with a security setting below Medium, allows remote attackers to execute arbitrary commands via a malicious web page that uses the FileSystemObject ActiveX object.

Affects 1 product across 1 vendor.

BCS7.94
CVSS 2.010.0
EPSS14.4%
Percentile96th
PatchUnknown
CVSS Vector — Plain English Remotely exploitable over the network, low complexity.
◆ SAGE Intelligence — CITED Relevance Research Team

This vulnerability was disclosed in 1999. A critical vulnerability affects Microsoft systems (CVE-1999-1241). No public exploit code is currently available. Isolate affected systems if patching is not feasible.

BSID: BS-1999-GLOBAL-308367-C • Model: rule-based-v1 • Confidence: MEDIUM

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Frequently Asked Questions
What is CVE-1999-1241?
This vulnerability was disclosed in 1999. A critical vulnerability affects Microsoft systems (CVE-1999-1241). No public exploit code is currently available. Isolate affected systems if patching is not feasible.
What is the CVSS score for CVE-1999-1241?
CVE-1999-1241 has CVSS 10.0 (Critical). Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C. EPSS: 14.4%.
Is CVE-1999-1241 actively exploited?
No confirmed active exploitation of CVE-1999-1241 as of 2026-06-20.
How do I remediate CVE-1999-1241?
Priority: MEDIUM.
What systems are affected by CVE-1999-1241?
CVE-1999-1241 affects: Microsoft.
Vulnerability Details
CVE IDCVE-1999-1241
BSIDBS-1999-GLOBAL-308367-C BreachSpider Global ID
CVSS VectorAV:N/AC:L/Au:N/C:C/I:C/A:C
Published1999-05-06
Last Modified2026-06-16
ICS Relevance0%
SourceNVD
Official Description

Internet Explorer, with a security setting below Medium, allows remote attackers to execute arbitrary commands via a malicious web page that uses the FileSystemObject ActiveX object.

Source: NIST NVD / MITRE CVE Database

Attack Vector Analysis — CITED Relevance

Vulnerability details: Internet Explorer, with a security setting below Medium, allows remote attackers to execute arbitrary commands via a malicious web page that uses the FileSystemObject ActiveX object. CVSS vector: AV:N/AC:L/Au:N/C:C/I:C/A:C.

Exploitation Likelihood: LOW

Affected Products
VendorProductFixed Version
Microsoft Internet Explorer —
Remediation

No patch URL on record. Monitor vendor security advisories directly.

Threat Intelligence
● Threat Intelligence Validated: August 2026 | Threat Age: 9950 Days
CISA KEVNot in KEV catalog
Public ExploitNot confirmed
PoC CodeNot confirmed
SAGE Enrichment Record — provenance & audit hash
Modelrule-based-v1
ConfidenceMEDIUM
Enriched At2026-05-24
SHA-512 Audit Hash756d78d5c34a88f4ea7f04349beaa65fe7362e128fd1147e124d26c6fc91b464a91aa0b548228bb0e8805195a62a04d3d15185a3ecdefaae7cb7f729cfd3cdae
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