Is CVE-2008-0121 in the CISA KEV catalog?

No. CVE-2008-0121 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2008-0121?

CVE-2008-0121 has a CVSS v2 base score of 9.3 (HIGH).

What is the EPSS score for CVE-2008-0121?

CVE-2008-0121 has an EPSS score of 30.87% (98th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2008-0121

HIGHEPSS 98th pctl

9.3

CVSS v2

NVD

Description

A "memory calculation error" in Microsoft PowerPoint Viewer 2003 allows remote attackers to execute arbitrary code via a PowerPoint file with an invalid picture index that triggers memory corruption, aka "Memory Calculation Vulnerability."

CWE-399

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

30.87%probability of exploitation in 30 days

98thpercentile

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

References

http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=738
http://marc.info/?l=bugtraq&m=121915960406986&w=2
http://secunia.com/advisories/31453
http://www.securityfocus.com/bid/30554
http://www.securitytracker.com/id?1020676
http://www.us-cert.gov/cas/techalerts/TA08-225A.html
http://www.vupen.com/english/advisories/2008/2355
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2008/ms08-051
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5724

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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.