Which products and versions are affected by CVE-2005-0553?

Affected: Ie (Microsoft) versions 6.0-sp1; Internet Explorer (Microsoft) versions 5.01-sp3, 5.01-sp4, 5.5-sp2, 6.0. The full list is in the CVE brief.

Is CVE-2005-0553 being exploited in the wild?

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

Is CVE-2005-0553 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-2005-0553?

Public exploit code is available.

Is there a fix for CVE-2005-0553?

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

How urgently should CVE-2005-0553 be patched?

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

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Vulnerability Intelligence

CVE-2005-0553

MediumPublic exploit

Race condition in the memory management routines in the DHTML object processor in Microsoft Internet Explorer 5.01, 5.5, and 6 allows remote attackers to execute arbitrary code via a malicious web page or HTML e-mail, aka "DHTML Object Memory Corruption Vulnerability".

Published May 2, 2005 · Updated Apr 15, 2026

Key Facts

Patch immediately

CVE-2005-0553 is a medium-severity vulnerability (CVSS 5.1 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 51% 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

5.1

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

EPSS (30-day exploit likelihood)

51%

Higher than 98.9% 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-2005-0553 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

5 affected entries in total

Product	Affected versions	Fixed in
IeMicrosoft	6.0-sp1	n/a
Internet ExplorerMicrosoft	5.01-sp3, 5.01-sp4, 5.5-sp2, 6.0	n/a

Timeline

Publicly disclosed
May 2, 2005
Last updated
Apr 15, 2026

References

patch14922
patch20050412 Microsoft Internet Explorer DHTML Engine Race Condition Vulnerability
patchVU#774338
patchTA05-102A
exploitExploitDB-25386

7 more references in the full CVE brief

FAQ

Common Questions.

Race condition in the memory management routines in the DHTML object processor in Microsoft Internet Explorer 5.01, 5.5, and 6 allows remote attackers to execute arbitrary code via a malicious web page or HTML e-mail, aka "DHTML Object Memory Corruption Vulnerability".
Affected: Ie (Microsoft) versions 6.0-sp1; Internet Explorer (Microsoft) versions 5.01-sp3, 5.01-sp4, 5.5-sp2, 6.0. 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: patch immediately, because it is very likely to be exploited soon.

Is CVE-2005-0553 Running On Your Attack Surface?

Brandefense maps vulnerabilities like this one to your internet-facing assets and tells you exactly where to patch.