How severe is CVE-1999-1370?

CVE-1999-1370 has a CVSS 2.0 base score of 7.2, rated high severity.

Is CVE-1999-1370 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-1999-1370?

CVE-1999-1370 affects Microsoft Internet Explorer. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-1999-1370?

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-1999-1370 published?

CVE-1999-1370 was published on 1999-03-23 and last updated on 2026-06-16.

CVE-1999-1370

CVE-1999-1370 is a high-severity vulnerability in Microsoft Internet Explorer with a CVSS 2.0 base score of 7.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 2.0 base score 7.2)
EPSS exploit prediction: 1% (68th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Microsoft Internet Explorer
Published: 1999-03-23
Last modified: 2026-06-16

Description

The setup wizard (ie5setup.exe) for Internet Explorer 5.0 disables (1) the screen saver, which could leave the system open to users with physical access if a failure occurs during an unattended installation, and (2) the Task Scheduler Service, which might prevent the scheduled execution of security-critical programs.

Frequently asked questions

What is CVE-1999-1370?: The setup wizard (ie5setup.exe) for Internet Explorer 5.0 disables (1) the screen saver, which could leave the system open to users with physical access if a failure occurs during an unattended installation, and (2) the Task Scheduler Service, which might prevent the scheduled execution of security-critical programs.
How severe is CVE-1999-1370?: CVE-1999-1370 has a CVSS 2.0 base score of 7.2, rated high severity.
Is CVE-1999-1370 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-1999-1370?: CVE-1999-1370 affects Microsoft Internet Explorer. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-1999-1370?: 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-1999-1370 published?: CVE-1999-1370 was published on 1999-03-23 and last updated on 2026-06-16.

References

http://marc.info/?l=ntbugtraq&m=92220197414799&w=2

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 →