Which products and versions are affected by CVE-1999-1575?

Affected: Internet Explorer (Microsoft) versions 4.0.1, 5.0. The full list is in the CVE brief.

Is CVE-1999-1575 being exploited in the wild?

It is not listed in any known-exploited vulnerabilities catalog.

Is CVE-1999-1575 in the CISA KEV catalog?

No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.

Is there a public exploit for CVE-1999-1575?

Public exploit code is available.

Is there a fix for CVE-1999-1575?

No fixed version is listed yet; check the vendor advisory for mitigations.

How urgently should CVE-1999-1575 be patched?

Brandefense priority: routine patching, as no exploitation is known and its severity is moderate or low.

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CVE-1999-1575Internet Explorer Vulnerability

Published Sep 10, 1999 · Updated Apr 15, 2026

Key Facts

Routine patching

CVE-1999-1575 is a medium-severity vulnerability (CVSS 5.1 v2) affecting Internet Explorer (Microsoft).
It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
EPSS estimates a 36% probability of exploitation in the next 30 days.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: routine patching, as no exploitation is known and its severity is moderate or low.

Scores

CVSS v2

5.1

AV:N/AC:H/Au:N/C:P/I:P/A:P

EPSS (30-day exploit likelihood)

36%

Higher than 98.4% of all scored CVEs

Exploit maturity

Proof of concept

ATLAS score

37/100

Publication score, see How it works

Exploitation Verdict

KEV listed

Not listed

Federal due date

None

No federal due date

Ransomware use

Not reported

Attributed actors

None named

Exploit & Defence Guidance

Exploit maturity

Proof of concept

Public exploit code

Proof-of-concept links

In-the-wild evidence

Reports of active use

Description

The Kodak/Wang (1) Image Edit (imgedit.ocx), (2) Image Annotation (imgedit.ocx), (3) Image Scan (imgscan.ocx), (4) Thumbnail Image (imgthumb.ocx), (5) Image Admin (imgadmin.ocx), (6) HHOpen (hhopen.ocx), (7) Registration Wizard (regwizc.dll), and (8) IE Active Setup (setupctl.dll) ActiveX controls for Internet Explorer (IE) 4.01 and 5.0 are marked as "Safe for Scripting," which allows remote attackers to create and modify files and execute arbitrary commands.

Affected Products

2 affected entries in total

Product	Affected versions	Fixed in
Internet ExplorerMicrosoft	4.0.1, 5.0	n/a

Timeline

Publicly disclosed
Sep 10, 1999
Last updated
Apr 15, 2026

References

exploitExploitDB-19515
exploitExploitDB-19521
exploitExploitDB-19528
exploit19990924 Several ActiveX Buffer Overruns
otherMS99-037

6 more references in the full CVE brief

FAQ

Common Questions.

The Kodak/Wang (1) Image Edit (imgedit.ocx), (2) Image Annotation (imgedit.ocx), (3) Image Scan (imgscan.ocx), (4) Thumbnail Image (imgthumb.ocx), (5) Image Admin (imgadmin.ocx), (6) HHOpen (hhopen.ocx), (7) Registration Wizard (regwizc.dll), and (8) IE Active Setup (setupctl.dll) ActiveX controls for Internet Explore…
Affected: Internet Explorer (Microsoft) versions 4.0.1, 5.0. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: routine patching, as no exploitation is known and its severity is moderate or low.

Is CVE-1999-1575 On Your Attack Surface?

Brandefense matches it against the products discovered on your perimeter and opens a finding the day a CVE like this is listed.