Which products and versions are affected by CVE-2006-1186?

Affected: Ie (Microsoft) versions 5.0.1, 5.01-windows_2000_sp4, 6-windows_server_2003_sp1; Internet Explorer (Microsoft) versions 5.0.1, 5.01, 5.0.1-sp1, 5.01-sp1, 5.0.1-sp2, 5.01-sp2, 5.0.1-sp3, 5.01-sp3. The full list is in the CVE brief.

Is CVE-2006-1186 being exploited in the wild?

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

Is CVE-2006-1186 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-2006-1186?

Public exploit code is available.

Is there a fix for CVE-2006-1186?

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

How urgently should CVE-2006-1186 be patched?

Brandefense priority: patch immediately, because it is very likely to be exploited soon.

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Vulnerability Intelligence

CVE-2006-1186

CriticalPublic exploit

Microsoft Internet Explorer 5.01 through 6 allows remote attackers to execute arbitrary code via by instantiating the (1) Mdt2gddr.dll, (2) Mdt2dd.dll, and (3) Mdt2gddo.dll COM objects as ActiveX controls, which leads to memory corruption.

Published Apr 11, 2006 · Updated Apr 15, 2026

Key Facts

Patch immediately

CVE-2006-1186 is a critical-severity vulnerability (CVSS 10.0 v2) affecting Ie (Microsoft), Internet Explorer (Microsoft).
It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
EPSS estimates a 58% probability of exploitation in the next 30 days.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.

CVSS v2

10.0

AV:N/AC:L/Au:N/C:C/I:C/A:C

EPSS (30-day exploit likelihood)

58%

Higher than 99.0% of all scored CVEs

Exploited in the wild

No known

Not in a known-exploited catalog

Public exploit code

Available

Proof-of-concept or weaponized module

Get the full CVE-2006-1186 brief as a PDF

Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.

Description

Affected Products

21 affected entries in total

Product	Affected versions	Fixed in
IeMicrosoft	5.0.1, 5.01-windows_2000_sp4, 6-windows_server_2003_sp1	n/a
Internet ExplorerMicrosoft	5.0.1, 5.01, 5.0.1-sp1, 5.01-sp1, 5.0.1-sp2, 5.01-sp2, 5.0.1-sp3, 5.01-sp3	n/a

Timeline

Publicly disclosed
Apr 11, 2006
Last updated
Apr 15, 2026

References

9 more references in the full CVE brief

FAQ

Common Questions.

Microsoft Internet Explorer 5.01 through 6 allows remote attackers to execute arbitrary code via by instantiating the (1) Mdt2gddr.dll, (2) Mdt2dd.dll, and (3) Mdt2gddo.dll COM objects as ActiveX controls, which leads to memory corruption.
Affected: Ie (Microsoft) versions 5.0.1, 5.01-windows_2000_sp4, 6-windows_server_2003_sp1; Internet Explorer (Microsoft) versions 5.0.1, 5.01, 5.0.1-sp1, 5.01-sp1, 5.0.1-sp2, 5.01-sp2, 5.0.1-sp3, 5.01-sp3. 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: patch immediately, because it is very likely to be exploited soon.

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