Is CVE-2007-1531 in the CISA KEV catalog?

No. CVE-2007-1531 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2007-1531?

CVE-2007-1531 has a CVSS v2 base score of 5.0 (MEDIUM).

What is the EPSS score for CVE-2007-1531?

CVE-2007-1531 has an EPSS score of 22.82% (97th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2007-1531

MEDIUMEPSS 97th pctl

5.0

CVSS v2

NVD

Description

Microsoft Windows XP and Vista overwrites ARP table entries included in gratuitous ARP, which allows remote attackers to cause a denial of service (loss of network access) by sending a gratuitous ARP for the address of the Vista host.

CWE-399

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

22.82%probability of exploitation in 30 days

97thpercentile

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

References

http://osvdb.org/33664
http://www.securityfocus.com/archive/1/462793/100/0/threaded
http://www.securityfocus.com/archive/1/464617/100/0/threaded
http://www.securityfocus.com/bid/23266
http://www.symantec.com/avcenter/reference/Vista_Network_Attack_Surface_RTM.pdf
http://www.symantec.com/enterprise/security_response/weblog/2007/04/microsofts_inaccurate_teredo_d.html

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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.