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.

How do I fix or mitigate CVE-2008-1440?

No published fix for CVE-2008-1440 has been found yet. Check the linked vendor advisories for guidance as it becomes available.

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

How to fix

No published remediation has been found for this vulnerability's affected products yet.

Mitigation guidance may be in the linked vendor advisories in the References section below.

TridentStack Control tracks known vulnerabilities across your Windows, macOS, and Linux fleet and shows the fix as soon as one is published. See how it works

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

Patch2

Vendor Advisory1

secunia.com

Third-Party Advisory2

Other references2

Related Vulnerabilities

Other CWE-1284 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2022-20699	Critical	10.0	72%	KEV	-
CVE-2021-43267	Critical	9.8	58%	-	Fix
CVE-2022-31629	Medium	6.5	49%	-	Fix
CVE-2025-9316	Unscored	-	36%	-	-
CVE-2022-36620	High	7.5	23%	-	-
CVE-2022-37134	Critical	9.8	21%	-	-

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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.