How severe is CVE-1999-0384?

CVE-1999-0384 has a CVSS 2.0 base score of 4.6, rated medium severity.

Is CVE-1999-0384 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-1999-0384?

CVE-1999-0384 primarily affects Microsoft Office. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-1999-0384?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-1999-0384 published?

CVE-1999-0384 was published on 1999-01-01 and last updated on 2026-06-16.

CVE-1999-0384

CVE-1999-0384 is a medium-severity vulnerability in Microsoft Office with a CVSS 2.0 base score of 4.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 2.0 base score 4.6)
EPSS exploit prediction: 1% (64th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Microsoft Office
Published: 1999-01-01
Last modified: 2026-06-16

Description

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.

Frequently asked questions

What is CVE-1999-0384?: 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.
How severe is CVE-1999-0384?: CVE-1999-0384 has a CVSS 2.0 base score of 4.6, rated medium severity.
Is CVE-1999-0384 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-1999-0384?: CVE-1999-0384 primarily affects Microsoft Office. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-1999-0384?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-1999-0384 published?: CVE-1999-0384 was published on 1999-01-01 and last updated on 2026-06-16.

References

https://docs.microsoft.com/en-us/security-updates/securitybulletins/1999/ms99-001

Affected products (6)

cpe:2.3:a:microsoft:office:98:*:mac:*:*:*:*:*
cpe:2.3:a:microsoft:outlook:98:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:project:98:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:visual_basic:5.0:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_2000:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_nt:*:*:*:*:*:*:*:*

More vulnerabilities in Microsoft Office

CVE-2007-0065 — Critical (CVSS 10.0): Heap-based buffer overflow in Object Linking and Embedding (OLE) Automation in Microsoft Windows 2000 SP4, XP SP2,…
CVE-2003-0347 — Critical (CVSS 10.0): Heap-based buffer overflow in VBE.DLL and VBE6.DLL of Microsoft Visual Basic for Applications (VBA) SDK 5.0 through 6.3…
CVE-2000-0854 — Critical (CVSS 10.0): When a Microsoft Office 2000 document is launched, the directory of that document is first used to locate DLL's such as…
CVE-2025-53766 — Critical (CVSS 9.8): Heap-based buffer overflow in Windows GDI+ allows an unauthorized attacker to execute code over a network.
CVE-2023-23397 — Critical (CVSS 9.8): Microsoft Outlook Elevation of Privilege Vulnerability
CVE-2023-21716 — Critical (CVSS 9.8): Microsoft Word Remote Code Execution Vulnerability

All CVEs affecting Microsoft Office →