Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2012-0176

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."

Security Impact Summary

CVE-2012-0176 is a security vulnerability that . Impacting 1 product from microsoft organizations running these solutions should prioritize assessment and patching.

Historical Context

Documented in 2012, this vulnerability occurred amid the cloud computing expansion era, where traditional network perimeter security models were being reevaluated. Organizations were transitioning from isolated infrastructure to interconnected systems, creating new attack surfaces that vulnerabilities like this could exploit.

Published

2012-05-09T00:55:01.677

Last Modified

2026-04-29T01:13:23.040

Status

Modified

Source

[email protected]

Severity

CVSSv2: 9.3 (HIGH)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:C/I:C/A:C

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: COMPLETE
Integrity Impact: COMPLETE
Availability Impact: COMPLETE

Exploitability Score

8.6

Impact Score

10.0

Weaknesses

Type: Primary
CWE-399

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	microsoft	silverlight	4.0.50401.0	Yes
Application	microsoft	silverlight	4.0.50524.00	Yes
Application	microsoft	silverlight	4.0.50826.0	Yes
Application	microsoft	silverlight	4.0.50917.0	Yes
Application	microsoft	silverlight	4.0.51204.0	Yes
Application	microsoft	silverlight	4.0.60129.0	Yes
Application	microsoft	silverlight	4.0.60310.0	Yes
Application	microsoft	silverlight	4.0.60531.0	Yes
Application	microsoft	silverlight	4.0.60831.0	Yes
Application	microsoft	silverlight	4.0.603310.0	Yes
Application	microsoft	silverlight	4.1.10111	Yes
Application	microsoft	silverlight	4.1.10111.0	Yes

References

http://secunia.com/advisories/49122 ([email protected])
http://www.securityfocus.com/bid/53360 ([email protected])
http://www.securitytracker.com/id?1027040 ([email protected])
http://www.us-cert.gov/cas/techalerts/TA12-129A.html US Government Resource ([email protected])
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-034 ([email protected])
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15574 ([email protected])
http://secunia.com/advisories/49122 (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/53360 (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id?1027040 (af854a3a-2127-422b-91ae-364da2661108)
http://www.us-cert.gov/cas/techalerts/TA12-129A.html US Government Resource (af854a3a-2127-422b-91ae-364da2661108)
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-034 (af854a3a-2127-422b-91ae-364da2661108)
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15574 (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For microsoft's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.