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TI-2012-00171 Aliases CVE-2012-0176GHSA-rqq5-gcp2-265q

Double free vulnerability in Microsoft Silverlight 4 before 4.1.10329 on Windows allows…

Priority MEDIUM 60CWE-399Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Medium
Impact type
Code execution
Confidentiality · integrity · availability
Complete · Complete · Complete
Fix status
No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-399 and the CVSS impact.

Summary

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."

Why it matters now

EPSS 0.22485 97th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 12

CPEVersionsRoleVendor
cpe:2.3:a:microsoft:silverlight:4.0.50401.0:*:*:*:*:*:*:*4.0.50401.0VulnerableMicrosoft
cpe:2.3:a:microsoft:silverlight:4.0.50524.00:*:*:*:*:*:*:*4.0.50524.00VulnerableMicrosoft
cpe:2.3:a:microsoft:silverlight:4.0.50826.0:*:*:*:*:*:*:*4.0.50826.0VulnerableMicrosoft
cpe:2.3:a:microsoft:silverlight:4.0.50917.0:*:*:*:*:*:*:*4.0.50917.0VulnerableMicrosoft
cpe:2.3:a:microsoft:silverlight:4.0.51204.0:*:*:*:*:*:*:*4.0.51204.0VulnerableMicrosoft
cpe:2.3:a:microsoft:silverlight:4.0.60129.0:*:*:*:*:*:*:*4.0.60129.0VulnerableMicrosoft
cpe:2.3:a:microsoft:silverlight:4.0.60310.0:*:*:*:*:*:*:*4.0.60310.0VulnerableMicrosoft
cpe:2.3:a:microsoft:silverlight:4.0.60531.0:*:*:*:*:*:*:*4.0.60531.0VulnerableMicrosoft
cpe:2.3:a:microsoft:silverlight:4.0.60831.0:*:*:*:*:*:*:*4.0.60831.0VulnerableMicrosoft
cpe:2.3:a:microsoft:silverlight:4.0.603310.0:*:*:*:*:*:*:*4.0.603310.0VulnerableMicrosoft
  • cpe:2.3:a:microsoft:silverlight:4.0.50401.0:*:*:*:*:*:*:* Versions 4.0.50401.0 Vulnerable ·Microsoft
  • cpe:2.3:a:microsoft:silverlight:4.0.50524.00:*:*:*:*:*:*:* Versions 4.0.50524.00 Vulnerable ·Microsoft
  • cpe:2.3:a:microsoft:silverlight:4.0.50826.0:*:*:*:*:*:*:* Versions 4.0.50826.0 Vulnerable ·Microsoft
  • cpe:2.3:a:microsoft:silverlight:4.0.50917.0:*:*:*:*:*:*:* Versions 4.0.50917.0 Vulnerable ·Microsoft
  • cpe:2.3:a:microsoft:silverlight:4.0.51204.0:*:*:*:*:*:*:* Versions 4.0.51204.0 Vulnerable ·Microsoft
  • cpe:2.3:a:microsoft:silverlight:4.0.60129.0:*:*:*:*:*:*:* Versions 4.0.60129.0 Vulnerable ·Microsoft
  • cpe:2.3:a:microsoft:silverlight:4.0.60310.0:*:*:*:*:*:*:* Versions 4.0.60310.0 Vulnerable ·Microsoft
  • cpe:2.3:a:microsoft:silverlight:4.0.60531.0:*:*:*:*:*:*:* Versions 4.0.60531.0 Vulnerable ·Microsoft
  • cpe:2.3:a:microsoft:silverlight:4.0.60831.0:*:*:*:*:*:*:* Versions 4.0.60831.0 Vulnerable ·Microsoft
  • cpe:2.3:a:microsoft:silverlight:4.0.603310.0:*:*:*:*:*:*:* Versions 4.0.603310.0 Vulnerable ·Microsoft
Show 2 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:microsoft:silverlight:4.1.10111:*:*:*:*:*:*:*4.1.10111VulnerableMicrosoft
cpe:2.3:a:microsoft:silverlight:4.1.10111.0:*:*:*:*:*:*:*4.1.10111.0VulnerableMicrosoft
  • cpe:2.3:a:microsoft:silverlight:4.1.10111:*:*:*:*:*:*:* Versions 4.1.10111 Vulnerable ·Microsoft
  • cpe:2.3:a:microsoft:silverlight:4.1.10111.0:*:*:*:*:*:*:* Versions 4.1.10111.0 Vulnerable ·Microsoft

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2012-0176
  2. 2026-10-03 Alias added: GHSA-rqq5-gcp2-265q

References

Advisory 2

Other 1

  • TI-2016-00028 Microsoft Silverlight 5 before 5.1.41212.0 mishandles negative offsets during decoding… KEVCVSS 3.1HIGH 8.8
  • TI-2015-01495 The Windows DirectWrite library, as used in Microsoft .NET Framework 3.0 SP2, 3.5, 3.5.1… KEVCVSS 3.1HIGH 7.8
  • TI-2013-00028 Microsoft Silverlight 5, and 5 Developer Runtime, before 5.1.20125.0 does not properly… KEVCVSS 3.1HIGH 7.8
  • TI-2013-03402 Microsoft Silverlight 5 before 5.1.20913.0 does not properly validate pointers during… KEVCVSS 3.1MEDIUM 5.5
  • TI-2015-02157 Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows… CVSS 2.0HIGH 9.3
  • TI-2015-02165 Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows… CVSS 2.0HIGH 9.3
See all 31 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences