CVE-2006-3643Internet Explorer XSS
Cross-site scripting (XSS) vulnerability in Internet Explorer 5.01 and 6 in Microsoft Windows 2000 SP4 permits access to local "HTML-embedded resource files" in the Microsoft Management Console (MMC) library, which allows remote authenticated users to execute arbitrary commands,…
Published Aug 8, 2006 · Updated Apr 15, 2026
Key Facts
Patch immediately- CVE-2006-3643 is a medium-severity vulnerability (CVSS 6.0 v2) affecting Ie (Microsoft), Internet Explorer (Microsoft).
- It is exploited in the wild, listed in Industry KEV feed since May 1, 2010. No public exploit code is known.
- EPSS estimates a 21% 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.
Scores
CVSS v2
6.0
AV:N/AC:M/Au:S/C:P/I:P/A:P
EPSS (30-day exploit likelihood)
21%
Higher than 97.5% of all scored CVEs
Exploit maturity
Exploited (KEV)
ATLAS score
39/100
Publication score, see How it works
Exploitation Verdict
KEV listed
May 1, 2010
1362 days after publication
Federal due date
None
No federal due date
Ransomware use
Not reported
Attributed actors
None named
Exploit & Defence Guidance
Exploit maturity
Exploited (KEV)
Public exploit code
0
Proof-of-concept links
In-the-wild evidence
1
Reports of active use
Description
Cross-site scripting (XSS) vulnerability in Internet Explorer 5.01 and 6 in Microsoft Windows 2000 SP4 permits access to local "HTML-embedded resource files" in the Microsoft Management Console (MMC) library, which allows remote authenticated users to execute arbitrary commands, aka "MMC Redirect Cross-Site Scripting Vulnerability."
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| Industry KEV feed | May 1, 2010 | n/a | Not reported |
Affected Products
2 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| IeMicrosoft | 6-windows_server_2003_sp1 | n/a |
| Internet ExplorerMicrosoft | 5.01 | n/a |
Timeline
Publicly disclosed
Aug 8, 2006
Added to Industry KEV feed
May 1, 2010
Last updated
Apr 15, 2026
Weakness Type
- CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
References
- patchVU#927548
- patchTA06-220A
- exploitVulnCheck exploitation report
- otherMS06-044
- other21401
FAQ
Common Questions.
Cross-site scripting (XSS) vulnerability in Internet Explorer 5.01 and 6 in Microsoft Windows 2000 SP4 permits access to local "HTML-embedded resource files" in the Microsoft Management Console (MMC) library, which allows remote authenticated users to execute arbitrary commands, aka "MMC Redirect Cross-Site Scripting…
Affected: Ie (Microsoft) versions 6-windows_server_2003_sp1; Internet Explorer (Microsoft) versions 5.01. The full list is in the CVE brief.
It is exploited in the wild, listed in Industry KEV feed since May 1, 2010.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
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.
Is CVE-2006-3643 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.
Request A Demo