Microsoft Internet Explorer 3.0 Clear History information disclosure

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
3.8$0-$5k0.00

Summaryinfo

A vulnerability was found in Microsoft Internet Explorer 3.0. It has been classified as problematic. This issue affects some unknown processing of the component Clear History Handler. This manipulation causes information disclosure. This vulnerability appears as CVE-1999-1446. The attack requires local access. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability has been found in Microsoft Internet Explorer 3.0 (Web Browser) and classified as problematic. Affected by this vulnerability is an unknown code block of the component Clear History Handler. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality. The summary by CVE is:

Internet Explorer 3 records a history of all URL's that are visited by a user in DAT files located in the Temporary Internet Files and History folders, which are not cleared when the user selects the "Clear History" option, and are not visible when the user browses the folders because of tailored displays.

The issue has been introduced in 03/01/1996. The weakness was presented 08/05/1997 as not defined posting (Bugtraq). It is possible to read the advisory at marc.theaimsgroup.com. This vulnerability is known as CVE-1999-1446. The exploitation appears to be easy. Attacking locally is a requirement. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 522 days. During that time the estimated underground price was around $5k-$25k.

Upgrading eliminates this vulnerability.

Additional details are provided at marc.theaimsgroup.com. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.0
VulDB Meta Temp Score: 3.8

VulDB Base Score: 4.0
VulDB Temp Score: 3.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/01/1996 🔍
08/05/1997 +522 days 🔍
08/05/1997 +0 days 🔍
06/18/2014 +6161 days 🔍
04/17/2026 +4320 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: marc.theaimsgroup.com
Status: Confirmed

CVE: CVE-1999-1446 (🔍)
GCVE (CVE): GCVE-0-1999-1446
GCVE (VulDB): GCVE-100-13963
Misc.: 🔍

Entryinfo

Created: 06/18/2014 15:58
Updated: 04/17/2026 00:11
Changes: 06/18/2014 15:58 (43), 04/07/2017 12:05 (10), 04/17/2026 00:11 (18)
Complete: 🔍
Cache ID: 216::103

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