Is CVE-2008-1440 being actively exploited?

CVE-2008-1440 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2008-1440?

CVE-2008-1440 has a CVSS 2.0 base score of 7.1 (HIGH).

CVE-2008-1440

HIGH · CVSS 7.1EPSS 22.6%EU EUVD

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."

Key facts

CVSS score: 7.1 (v2.0)
Severity: HIGH
CVSS vector: AV:N/AC:M/Au:N/C:N/I:N/A:C
Weakness (CWE): CWE-1284
EPSS score: 22.6% (98th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2008-1444)
Published: June 12, 2008
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2008-1444 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

microsoft / windows server 2003
microsoft / windows server 2003
microsoft / windows xp
microsoft / windows xp

Certified products that may be affected

4 FIPS 140 or Common Criteria certified products, from automated matching by sec-certs.org.

Windows XP Enhanced Cryptographic Provider (RSAENH) - Microsoft Corporation - FIPS 140 989 - historical
Windows XP Enhanced DSS and Diffie-Hellman Cryptographic Provider (DSSENH) - Microsoft Corporation - FIPS 140 990 - historical
Microsoft Windows Server 2003 SP2 including R2, Standard, Enterprise, Datacenter, x64, and Itanium Editions; Windows XP Professional SP2 and x64 SP2; Windows XP Embedded SP2 - Microsoft Corporation - Common Criteria CCEVS-VR-VID-10184-2008 - archived
Microsoft Windows 2003 and Microsoft Windows XP - Microsoft Corporation - Common Criteria CCEVS-VR-0131-2005 - archived

References

http://secunia.com/advisories/30587(Broken Link, Permissions Required, Vendor Advisory)
http://securitytracker.com/id?1020230(Broken Link, Third Party Advisory, VDB Entry)
http://www.securityfocus.com/bid/29508(Broken Link, Patch, Third Party Advisory, VDB Entry)
http://www.us-cert.gov/cas/techalerts/TA08-162B.html(Broken Link, Third Party Advisory, US Government Resource)
http://www.vupen.com/english/advisories/2008/1783(Broken Link)
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2008/ms08-036(Patch, Vendor Advisory)
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5473(Broken Link)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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