CVE-1999-0891
CVE-1999-0891 is a medium-severity vulnerability in Microsoft Internet Explorer with a CVSS 2.0 base score of 5.0. Its EPSS exploit-prediction score of 43% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-94.
Key facts
- Severity: Medium (CVSS 2.0 base score 5.0)
- EPSS exploit prediction: 43% (99th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-94
- Affected product: Microsoft Internet Explorer
- Published:
- Last modified:
Description
The "download behavior" in Internet Explorer 5 allows remote attackers to read arbitrary files via a server-side redirect.
Frequently asked questions
- What is CVE-1999-0891?
- The "download behavior" in Internet Explorer 5 allows remote attackers to read arbitrary files via a server-side redirect.
- How severe is CVE-1999-0891?
- CVE-1999-0891 has a CVSS 2.0 base score of 5.0, rated medium severity.
- Is CVE-1999-0891 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 43% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-1999-0891?
- CVE-1999-0891 affects Microsoft Internet Explorer. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-1999-0891?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-1999-0891 published?
- CVE-1999-0891 was published on 1999-09-01 and last updated on 2026-06-16.
References
- http://support.microsoft.com/default.aspx?scid=kb%3B%5BLN%5D%3BQ242542
- http://www.ciac.org/ciac/bulletins/k-002.shtml
- http://www.kb.cert.org/vuls/id/37828
- http://www.osvdb.org/11274
- http://www.securityfocus.com/bid/674
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/1999/ms99-040
Affected products (1)
- cpe:2.3:a:microsoft:internet_explorer:5.0:*:*:*:*:*:*:*
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