Microsoft Office 98 Forms 2.0 ActiveX Control information disclosure

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.7$0-$5k0.00

Summaryinfo

A vulnerability was found in Microsoft Office 98. It has been rated as problematic. This issue affects some unknown processing of the component Forms 2.0 ActiveX Control. The manipulation leads to information disclosure. This vulnerability is referenced as CVE-1999-0384. No exploit is available. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability was found in Microsoft Office 98 (Office Suite Software) and classified as problematic. This issue affects an unknown function of the component Forms 2.0 ActiveX Control. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

The Forms 2.0 ActiveX control (included with Visual Basic for Applications 5.0) can be used to read text from a user's clipboard when the user accesses documents with ActiveX content.

The issue has been introduced in 06/20/1998. The weakness was published 01/01/1999 as MS99-001 as confirmed bulletin (Technet). It is possible to read the advisory at microsoft.com. The identification of this vulnerability is CVE-1999-0384. The exploitation is known to be easy. Attacking locally is a requirement. No form of authentication is needed for a successful exploitation. 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 195 days. During that time the estimated underground price was around $5k-$25k.

Applying the patch MS99-001 is able to eliminate this problem. The bugfix is ready for download at microsoft.com.

The vulnerability is also documented in the databases at X-Force (1659) and Vulnerability Center (SBV-4259†). 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: 5.9
VulDB Meta Temp Score: 5.7

VulDB Base Score: 5.9
VulDB Temp Score: 5.7
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: Patch
Status: 🔍

0-Day Time: 🔍

Patch: MS99-001
SourceFire IPS: 🔍

Timelineinfo

06/20/1998 🔍
01/01/1999 +195 days 🔍
01/01/1999 +0 days 🔍
01/01/1999 +0 days 🔍
05/06/2004 +1952 days 🔍
06/19/2014 +3696 days 🔍
04/17/2026 +4320 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: MS99-001
Status: Confirmed

CVE: CVE-1999-0384 (🔍)
GCVE (CVE): GCVE-0-1999-0384
GCVE (VulDB): GCVE-100-14315
X-Force: 1659
Vulnerability Center: 4259 - [MS99-001] Microsoft Forms 2.0 ActiveX Control Clipboard Paste Discloses Information, Low

Entryinfo

Created: 06/20/2014 00:27
Updated: 04/17/2026 21:05
Changes: 06/20/2014 00:27 (45), 05/21/2019 12:58 (17), 04/17/2026 21:05 (17)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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