Buffer overflow in the DNS Client service in Microsoft Windows 2000 SP4, XP SP1 and SP2, and Server 2003 SP1 allows remote attackers to execute arbitrary code via a crafted record response. NOTE: while MS06-041 implies that there is a single issue, there are multiple vectors, and likely multiple vulnerabilities, related to (1) a heap-based buffer overflow in a DNS server response to the client, (2) a DNS server response with malformed ATMA records, and (3) a length miscalculation in TXT, HINFO, X25, and ISDN records.
CVE-2006-3441
- High exploitation likelihood — EPSS 66%
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- —
- EG Score
- 0.0(none)
- EPSS
- 99.2%
- KEV
- Not listed
Published
August 9, 2006
Last Modified
April 16, 2026
References (30)
- secure@microsofthttp://secunia.com/advisories/21394
- secure@microsofthttp://securitytracker.com/id?1016653
- secure@microsofthttp://www.kb.cert.org/vuls/id/794580
- secure@microsofthttp://www.osvdb.org/27844
- secure@microsofthttp://www.securityfocus.com/bid/19404
- secure@microsofthttp://www.us-cert.gov/cas/techalerts/TA06-220A.html
- secure@microsofthttp://www.vupen.com/english/advisories/2006/3211
- secure@microsofthttp://xforce.iss.net/xforce/alerts/id/233
- secure@microsofthttp://xforce.iss.net/xforce/alerts/id/234
- secure@microsofthttp://xforce.iss.net/xforce/alerts/id/235
- secure@microsofthttps://docs.microsoft.com/en-us/security-updates/securitybulletins/2006/ms06-041
- secure@microsofthttps://exchange.xforce.ibmcloud.com/vulnerabilities/24586
- secure@microsofthttps://exchange.xforce.ibmcloud.com/vulnerabilities/28013
- secure@microsofthttps://exchange.xforce.ibmcloud.com/vulnerabilities/28240
- secure@microsofthttps://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A723
Data Freshness Timeline
(refreshed 5× in last 7d / 22× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-13 22:25 UTCEPSS rescore
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- 2026-06-10 22:14 UTCEPSS rescore
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- 2026-05-31 07:19 UTCEG score recompute
- 2026-05-31 07:19 UTCGHSA enrichment
- 2026-05-31 00:13 UTCEPSS rescore
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- 2026-05-24 16:42 UTCEPSS rescore
- 2026-05-18 21:29 UTCEPSS rescore
Publicly available exploits
(1 reference)Working exploit code is in the public domain (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.
- Exploit-DBEDB-2900✓ verifiedFirst seen Dec 9, 2006
Microsoft Windows - DNS Resolution Remote Denial of Service (PoC) (MS06-041)
Open source ↗
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