TI-2013-03402 Aliases CVE-2013-3896 GHSA-8wm7-83p7-m6fh

Microsoft Silverlight 5 before 5.1.20913.0 does not properly validate pointers during…

HIGH 82Exploited in the wildPublished 2013-10-09 · Updated 2025-10-22

Key facts

Attack vector: Local
Privileges required: None
User interaction: Required
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: High · None · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.

Summary

Microsoft Silverlight 5 before 5.1.20913.0 does not properly validate pointers during access to Silverlight elements, which allows remote attackers to obtain sensitive information via a crafted Silverlight application, aka "Silverlight Vulnerability."

Why it matters now

Exploitation Active In CISA KEV since 2022-05-25CISA due date 2022-06-15

EPSS 0.67959 99th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Active
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:microsoft:silverlight::::::::	5.0 to before 5.1.20913.0	Vulnerable	Microsoft

cpe:2.3:a:microsoft:silverlight:*:*:*:*:*:*:*:* Versions 5.0 to before 5.1.20913.0 Vulnerable ·Microsoft

Remediation

No fixed version listed by the sources yet.

Timeline

2022-05-25 Added to CISA KEV
2026-10-02 Threatist record created from CVE-2013-3896
2026-10-03 Alias added: GHSA-8wm7-83p7-m6fh

References

Patch 1

MS13-087

Advisory 1

TA13-288A

Other 2

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-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
TI-2015-02158 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