Is CVE-2008-1440 in the CISA KEV catalog?

No. CVE-2008-1440 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2008-1440?

CVE-2008-1440 has a CVSS v2 base score of 7.1 (HIGH).

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

CVE-2008-1440 has an EPSS score of 22.59% (97th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2008-1440

HIGHEPSS 97th pctl

7.1

CVSS v2

NVD

Description

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."

CWE-1284

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

22.59%probability of exploitation in 30 days

97thpercentile

Very high risk: more likely to be exploited than 97% of all known CVEs.

References

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-23.