Is CVE-2012-0176 in the CISA KEV catalog?

No. CVE-2012-0176 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2012-0176?

CVE-2012-0176 has a CVSS v2 base score of 9.3 (HIGH).

What is the EPSS score for CVE-2012-0176?

CVE-2012-0176 has an EPSS score of 22.48% (97th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2012-0176

HIGHEPSS 97th pctl

9.3

CVSS v2

NVD

Description

Double free vulnerability in Microsoft Silverlight 4 before 4.1.10329 on Windows allows remote attackers to execute arbitrary code via vectors involving crafted XAML glyphs, aka "Silverlight Double-Free Vulnerability."

CWE-399

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

22.48%probability of exploitation in 30 days

97thpercentile

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

References

http://secunia.com/advisories/49122
http://www.securityfocus.com/bid/53360
http://www.securitytracker.com/id?1027040
http://www.us-cert.gov/cas/techalerts/TA12-129A.html
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-034
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15574

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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 2026-04-29.