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TI-2016-02834 Aliases CVE-2016-3367GHSA-88qc-24w9-rxv7

StringBuilder in Microsoft Silverlight 5 before 5.1.50709.0 does not properly allocate…

Priority MEDIUM 55CWE-119Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.

Summary

StringBuilder in Microsoft Silverlight 5 before 5.1.50709.0 does not properly allocate memory for string-insert and string-append operations, which allows remote attackers to execute arbitrary code via a crafted web site, aka "Microsoft Silverlight Memory Corruption Vulnerability."

Why it matters now

EPSS 0.17793 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 · 1

CPEVersionsRoleVendor
cpe:2.3:a:microsoft:silverlight:5.0:*:*:*:*:*:*:*5.0VulnerableMicrosoft
  • cpe:2.3:a:microsoft:silverlight:5.0:*:*:*:*:*:*:* Versions 5.0 Vulnerable ·Microsoft

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2016-3367
  2. 2026-10-03 Alias added: GHSA-88qc-24w9-rxv7

References

Advisory 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