How severe is CVE-1999-1367?

CVE-1999-1367 has a CVSS 2.0 base score of 4.6, rated medium severity.

Is CVE-1999-1367 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-1999-1367?

CVE-1999-1367 affects Microsoft Internet Explorer. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-1999-1367?

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

When was CVE-1999-1367 published?

CVE-1999-1367 was published on 1999-05-06 and last updated on 2026-06-16.

CVE-1999-1367

CVE-1999-1367 is a medium-severity vulnerability in Microsoft Internet Explorer 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 Internet Explorer
Published: 1999-05-06
Last modified: 2026-06-16

Description

Internet Explorer 5.0 does not properly reset the username/password cache for Web sites that do not use standard cache controls, which could allow users on the same system to access restricted web sites that were visited by other users.

Frequently asked questions

What is CVE-1999-1367?: Internet Explorer 5.0 does not properly reset the username/password cache for Web sites that do not use standard cache controls, which could allow users on the same system to access restricted web sites that were visited by other users.
How severe is CVE-1999-1367?: CVE-1999-1367 has a CVSS 2.0 base score of 4.6, rated medium severity.
Is CVE-1999-1367 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-1999-1367?: CVE-1999-1367 affects Microsoft Internet Explorer. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-1999-1367?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-1999-1367 published?: CVE-1999-1367 was published on 1999-05-06 and last updated on 2026-06-16.

References

http://www.pcworld.com/news/article/0%2Caid%2C10842%2C00.asp

Affected products (1)

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

More vulnerabilities in Microsoft Internet Explorer

CVE-2014-1764 — Critical (CVSS 10.0): Microsoft Internet Explorer 7 through 11 allows remote attackers to execute arbitrary code and bypass a sandbox…
CVE-2014-1763 — Critical (CVSS 10.0): Use-after-free vulnerability in Microsoft Internet Explorer 9 through 11 allows remote attackers to execute arbitrary…
CVE-2010-1118 — Critical (CVSS 10.0): Unspecified vulnerability in Internet Explorer 8 on Microsoft Windows 7 allows remote attackers to execute arbitrary…
CVE-2009-1918 — Critical (CVSS 10.0): Microsoft Internet Explorer 5.01 SP4 and 6 SP1; Internet Explorer 6 for Windows XP SP2 and SP3 and Server 2003 SP2; and…
CVE-2009-1043 — Critical (CVSS 10.0): Unspecified vulnerability in Microsoft Internet Explorer 8 on Windows 7 allows remote attackers to execute arbitrary…
CVE-2007-3341 — Critical (CVSS 10.0): Unspecified vulnerability in the FTP implementation in Microsoft Internet Explorer allows remote attackers to "see a…

All CVEs affecting Microsoft Internet Explorer →