Microsoft Windows XP SP2 and SP3, and Server 2003 SP1 and SP2, does not properly validate the option length field in Pragmatic General Multicast (PGM) packets, which allows remote attackers to cause a denial of service (infinite loop and system hang) via a crafted PGM packet, aka the "PGM Invalid Length Vulnerability."
CVE-2008-1440
NONECVSS 0.0Elevated
0.0
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
- No confirmed exploitation signals yet
CISA-KEV: Not listedEPSS: 23%CVSS: —Exploit: NoneExposed: 0
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
- 97.4%
- KEV
- Not listed
Published
June 12, 2008
Last Modified
April 23, 2026
References (14)
- secure@microsofthttp://secunia.com/advisories/30587
- secure@microsofthttp://securitytracker.com/id?1020230
- secure@microsofthttp://www.securityfocus.com/bid/29508
- secure@microsofthttp://www.us-cert.gov/cas/techalerts/TA08-162B.html
- secure@microsofthttp://www.vupen.com/english/advisories/2008/1783
- secure@microsofthttps://docs.microsoft.com/en-us/security-updates/securitybulletins/2008/ms08-036
- secure@microsofthttps://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5473
- af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/30587
- af854a3a-2127-422b-91ae-364da2661108http://securitytracker.com/id?1020230
- af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/29508
- af854a3a-2127-422b-91ae-364da2661108http://www.us-cert.gov/cas/techalerts/TA08-162B.html
- af854a3a-2127-422b-91ae-364da2661108http://www.vupen.com/english/advisories/2008/1783
- af854a3a-2127-422b-91ae-364da2661108https://docs.microsoft.com/en-us/security-updates/securitybulletins/2008/ms08-036
- af854a3a-2127-422b-91ae-364da2661108https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5473
Weakness Classification(2)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Related CVEs(same CWE)
Same CWE
10 shownCWE-20
- CVE-2002-2444EG 9.8CRITICAL
- CVE-2005-0116NVD 0.0EG 9.0EPSS 99%NONE
- CVE-2002-1359NVD 0.0EG 9.0EPSS 100%NONE
- CVE-2000-0380NVD 0.0EG 9.0EPSS 98%NONE
- CVE-2000-0258EG 7.5EPSS 97%HIGH
- CVE-2004-2771EG 0.0EPSS 93%NONE
- CVE-2002-2443EG 0.0EPSS 93%NONE
- CVE-2002-2433EG 0.0NONE
- CVE-2003-1569EG 0.0NONE
- CVE-2003-1568EG 0.0NONE
Frequently asked(4)
What is CVE-2008-1440?
CVE-2008-1440 is a none vulnerability published on June 12, 2008. Microsoft Windows XP SP2 and SP3, and Server 2003 SP1 and SP2, does not properly validate the option length field in Pragmatic General Multicast (PGM) packets, which allows remote attackers to cause a denial of service (infinite loop and system hang) via a crafted PGM packet, aka the "PGM Invalid…
When was CVE-2008-1440 disclosed?
CVE-2008-1440 was first published in the National Vulnerability Database on June 12, 2008, with the most recent update on April 23, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2008-1440 actively exploited?
CVE-2008-1440 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 97.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
How do I remediate CVE-2008-1440?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2008-1440, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2008-1440
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