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Vulnerability record · CVE-2008-1441 · published 12 June 2008

CVE-2008-1441: Microsoft windows server 2003 improper input validation vulnerability

Microsoft · Windows Server 2003

Microsoft Windows XP SP2 and SP3, Server 2003 SP1 and SP2, Vista Gold and SP1, and Server 2008 allows remote attackers to cause a denial of service (system hang) via a series of Pragmatic General Multicast (PGM) packets with invalid fragment options, aka the "PGM Malformed Fragment Vulnerability."

5.4 CVSS 2.0 Medium EPSS 20% · top 2.7% CWE-20 · Improper input validation
5.4CVSS 2.0 base score
20%EPSS exploitation probability, 30 days
NoNot in CISA KEV
4Affected product versions listed by NVD
14References
16 Jun 2026Last modified by NVD

Description

Microsoft Windows XP SP2 and SP3, Server 2003 SP1 and SP2, Vista Gold and SP1, and Server 2008 allows remote attackers to cause a denial of service (system hang) via a series of Pragmatic General Multicast (PGM) packets with invalid fragment options, aka the "PGM Malformed Fragment Vulnerability."

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

Affected products

4 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://secunia.com/advisories/30587 Third Party Advisory
http://securitytracker.com/id?1020231 Third Party AdvisoryVDB Entry
http://www.securityfocus.com/bid/29509 Third Party AdvisoryVDB Entry
http://www.us-cert.gov/cas/techalerts/TA08-162B.html Third Party AdvisoryUS Government Resource
http://www.vupen.com/english/advisories/2008/1783 Broken Link
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2008/ms08-036
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5604 Third Party Advisory
http://secunia.com/advisories/30587 Third Party Advisory
http://securitytracker.com/id?1020231 Third Party AdvisoryVDB Entry
http://www.securityfocus.com/bid/29509 Third Party AdvisoryVDB Entry
http://www.us-cert.gov/cas/techalerts/TA08-162B.html Third Party AdvisoryUS Government Resource
http://www.vupen.com/english/advisories/2008/1783 Broken Link
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2008/ms08-036
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5604 Third Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2008-1441), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.