Is CVE-2006-6456 in the CISA KEV catalog?

No. CVE-2006-6456 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2006-6456?

CVE-2006-6456 has a CVSS v2 base score of 9.3 (HIGH).

What is the EPSS score for CVE-2006-6456?

CVE-2006-6456 has an EPSS score of 31.25% (98th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2006-6456

HIGHEPSS 98th pctl

9.3

CVSS v2

NVD

Description

Unspecified vulnerability in Microsoft Word 2000, 2002, and 2003 and Word Viewer 2003 allows remote attackers to execute code via unspecified vectors related to malformed data structures that trigger memory corruption, a different vulnerability than CVE-2006-5994.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

31.25%probability of exploitation in 30 days

98thpercentile

Very high risk: more likely to be exploited than 98% of all known CVEs.

References

http://archives.neohapsis.com/archives/fulldisclosure/2006-12/0199.html
http://archives.neohapsis.com/archives/fulldisclosure/2006-12/0215.html
http://blogs.technet.com/msrc/archive/2006/12/10/new-report-of-a-word-zero-day.aspx
http://isc.sans.org/diary.php?storyid=1925
http://secunia.com/advisories/23205
http://securitytracker.com/id?1017358
http://securitytracker.com/id?1017579
http://vil.mcafeesecurity.com/vil/content/v_141056.htm
http://vil.mcafeesecurity.com/vil/content/v_vul27249.htm
http://www.kb.cert.org/vuls/id/166700
http://www.osvdb.org/30825
http://www.securityfocus.com/archive/1/454069/100/0/threaded
http://www.securityfocus.com/archive/1/454072/100/0/threaded
http://www.securityfocus.com/archive/1/454093/100/0/threaded
http://www.securityfocus.com/bid/21518
http://www.us-cert.gov/cas/techalerts/TA07-044A.html
http://www.vupen.com/english/advisories/2006/4920
http://www.vupen.com/english/advisories/2007/0435
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2007/ms07-014
https://exchange.xforce.ibmcloud.com/vulnerabilities/30806
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A746

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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.