How severe is CVE-1999-0012?

CVE-1999-0012 has a CVSS 3.x base score of 7.0, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity high, and availability low.

Is CVE-1999-0012 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 18% (97th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-1999-0012?

CVE-1999-0012 primarily affects Microsoft Frontpage. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-1999-0012?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-1999-0012 published?

CVE-1999-0012 was published on 1998-02-06 and last updated on 2026-06-16.

CVE-1999-0012

CVE-1999-0012 is a high-severity vulnerability in Microsoft Frontpage with a CVSS 3.x base score of 7.0. Its EPSS exploit-prediction score of 18% places it in the 97th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-290.

Key facts

Severity: High (CVSS 3.x base score 7.0)
CVSS v2: 5.0
EPSS exploit prediction: 18% (97th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-290
Affected product: Microsoft Frontpage
Published: 1998-02-06
Last modified: 2026-06-16

Description

Some web servers under Microsoft Windows allow remote attackers to bypass access restrictions for files with long file names.

Frequently asked questions

What is CVE-1999-0012?: Some web servers under Microsoft Windows allow remote attackers to bypass access restrictions for files with long file names.
How severe is CVE-1999-0012?: CVE-1999-0012 has a CVSS 3.x base score of 7.0, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity high, and availability low.
Is CVE-1999-0012 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 18% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-1999-0012?: CVE-1999-0012 primarily affects Microsoft Frontpage. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-1999-0012?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-1999-0012 published?: CVE-1999-0012 was published on 1998-02-06 and last updated on 2026-06-16.

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/CVE-1999-0012

Affected products (6)

cpe:2.3:a:microsoft:frontpage:*:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:internet_information_server:4.0:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:personal_web_server:4.0:*:*:*:*:*:*:*
cpe:2.3:a:netscape:enterprise_server:3.0:*:*:*:*:*:*:*
cpe:2.3:a:netscape:fasttrack_server:2.01:*:*:*:*:*:*:*
cpe:2.3:a:netscape:fasttrack_server:3.01:*:*:*:*:*:*:*

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