Which products and versions are affected by CVE-2006-5745?

Affected: XML Core Services (Microsoft) versions 4.0. The full list is in the CVE brief.

Is CVE-2006-5745 being exploited in the wild?

It is exploited in the wild, listed in Industry KEV feed since Nov 14, 2006.

Is CVE-2006-5745 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-2006-5745?

Public exploit code is available.

Is there a fix for CVE-2006-5745?

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

How urgently should CVE-2006-5745 be patched?

Brandefense priority: patch immediately, because it is listed as exploited in the wild.

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Vulnerability Intelligence

CVE-2006-5745

HighExploitedPublic exploit

Published Nov 6, 2006 · Updated Apr 22, 2026

Key Facts

Patch immediately

CVE-2006-5745 is a high-severity vulnerability (CVSS 7.6 v2) affecting XML Core Services (Microsoft).
It is exploited in the wild, listed in Industry KEV feed since Nov 14, 2006. Public exploit code is available.
EPSS estimates a 78% 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 listed as exploited in the wild.

CVSS v2

7.6

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

EPSS (30-day exploit likelihood)

78%

Higher than 99.5% of all scored CVEs

Exploited in the wild

Yes

1 catalog listing

Public exploit code

Available

Proof-of-concept or weaponized module

Get the full CVE-2006-5745 brief as a PDF

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

Description

Unspecified vulnerability in the setRequestHeader method in the XMLHTTP (XML HTTP) ActiveX Control 4.0 in Microsoft XML Core Services 4.0 on Windows, when accessed by Internet Explorer, allows remote attackers to execute arbitrary code via crafted arguments that lead to memory corruption, a different vulnerability than CVE-2006-4685. NOTE: some of these details are obtained from third party information.

Known-Exploited Catalog Listings

Catalog	Added	Remediation due	Ransomware use
Industry KEV feed	Nov 14, 2006	n/a	Not reported

Required action: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

Affected Products

1 affected entries in total

Product	Affected versions	Fixed in
XML Core ServicesMicrosoft	4.0	n/a

Timeline

Publicly disclosed
Nov 6, 2006
Added to Industry KEV feed
Nov 14, 2006
Last updated
Apr 22, 2026

References

advisory22687
advisoryhttp://xforce.iss.net/xforce/alerts/id/239
exploitMSF ms06_071_xml_core.rb
exploitVulnCheck exploitation report
exploitExploitDB-16532

15 more references in the full CVE brief

FAQ

Common Questions.

Unspecified vulnerability in the setRequestHeader method in the XMLHTTP (XML HTTP) ActiveX Control 4.0 in Microsoft XML Core Services 4.0 on Windows, when accessed by Internet Explorer, allows remote attackers to execute arbitrary code via crafted arguments that lead to memory corruption, a different vulnerability tha…
Affected: XML Core Services (Microsoft) versions 4.0. The full list is in the CVE brief.
It is exploited in the wild, listed in Industry KEV feed since Nov 14, 2006.
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 listed as exploited in the wild.

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