How severe is CVE-1999-0975?

CVE-1999-0975 has a CVSS 2.0 base score of 4.6, rated medium severity.

Is CVE-1999-0975 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-1999-0975?

CVE-1999-0975 primarily affects Microsoft Windows 95. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-1999-0975?

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

When was CVE-1999-0975 published?

CVE-1999-0975 was published on 1999-12-10 and last updated on 2026-06-16.

CVE-1999-0975

CVE-1999-0975 is a medium-severity vulnerability in Microsoft Windows 95 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: 3% (84th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Microsoft Windows 95
Published: 1999-12-10
Last modified: 2026-06-16

Description

The Windows help system can allow a local user to execute commands as another user by editing a table of contents metafile with a .CNT extension and modifying the topic action to include the commands to be executed when the .hlp file is accessed.

Frequently asked questions

What is CVE-1999-0975?: The Windows help system can allow a local user to execute commands as another user by editing a table of contents metafile with a .CNT extension and modifying the topic action to include the commands to be executed when the .hlp file is accessed.
How severe is CVE-1999-0975?: CVE-1999-0975 has a CVSS 2.0 base score of 4.6, rated medium severity.
Is CVE-1999-0975 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-1999-0975?: CVE-1999-0975 primarily affects Microsoft Windows 95. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-1999-0975?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-1999-0975 published?: CVE-1999-0975 was published on 1999-12-10 and last updated on 2026-06-16.

References

http://www.securityfocus.com/bid/868

Affected products (3)

cpe:2.3:o:microsoft:windows_95:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_98:*:gold:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_nt:4.0:*:*:*:*:*:*:*

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