How severe is CVE-1999-0917?

CVE-1999-0917 has a CVSS 2.0 base score of 5.1, rated medium severity.

Is CVE-1999-0917 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-1999-0917?

CVE-1999-0917 primarily affects Microsoft Internet Explorer. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-1999-0917?

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

When was CVE-1999-0917 published?

CVE-1999-0917 was published on 1999-05-27 and last updated on 2026-06-16.

CVE-1999-0917

CVE-1999-0917 is a medium-severity vulnerability in Microsoft Internet Explorer with a CVSS 2.0 base score of 5.1. 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 5.1)
EPSS exploit prediction: 6% (93rd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Microsoft Internet Explorer
Published: 1999-05-27
Last modified: 2026-06-16

Description

The Preloader ActiveX control used by Internet Explorer allows remote attackers to read arbitrary files.

Frequently asked questions

What is CVE-1999-0917?: The Preloader ActiveX control used by Internet Explorer allows remote attackers to read arbitrary files.
How severe is CVE-1999-0917?: CVE-1999-0917 has a CVSS 2.0 base score of 5.1, rated medium severity.
Is CVE-1999-0917 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-1999-0917?: CVE-1999-0917 primarily affects Microsoft Internet Explorer. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-1999-0917?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-1999-0917 published?: CVE-1999-0917 was published on 1999-05-27 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:microsoft:internet_explorer:4.0:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:internet_explorer:5.0:*:*:*:*:*:*:*

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