CVE-2013-3896

Microsoft Silverlight 5 before 5.1.20913.0 does not properly validate pointers during access to...

5.5 MediumIn KEVPublic exploit

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."

Attack profile

How easy it is to exploit

Attack vector: Local
Complexity: Low
Privileges needed: None
User interaction: Required

What an attacker can affect

Confidentiality: High
Integrity: None
Availability: None

Exploit likelihood

68.0%Up 38.4 points since Feb 4, 2022

What each source reports

NVD Score used 5.5

Record: CVE-2013-3896
CVSS 3.1: 5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
CVSS 2.0: 4.3 MediumAV:N/AC:M/Au:N/C:P/I:N/A:N
Updated: 2026-11-02

CVE List 5.5

Record: CVE-2013-3896
CVSS 3.1: 5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Updated: 2026-11-02

EUVDEUVD-2013-3828 5.5

Record: EUVD-2013-3828
CVSS 3.1: 5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-8wm7-83p7-m6fh 5.5

Microsoft Silverlight 5 before 5.1.20913.0 does not properly validate pointers during access to...

Record: GHSA-8wm7-83p7-m6fh
CVSS 3.1: 5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Weakness: CWE-20
Updated: 2026-11-02

CISA KEV No score

Microsoft Silverlight Information Disclosure Vulnerability

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

Record: CVE-2013-3896
Weakness: CWE-20
Updated: 2026-11-02

Affected products

microsoft silverlight

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
Source	Link	Date
Exploit-DB	Microsoft Silverlight - ScriptObject Unsafe Memory Access (MS13-022/MS13-087) (Metasploit)	2013-03-12
Metasploit	MS13-022 Microsoft Silverlight ScriptObject Unsafe Memory Access	2013-03-12

History

History
Recorded	Changed	Sources
Nov 3, 2026	exploitation
Nov 2, 2026	first indexed	CVE List, EUVD, Exploit-DB, GitHub Advisories, CISA KEV, Metasploit, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2013-3896 is a medium vulnerability (CVSS 5.5) in Microsoft Silverlight, published October 9, 2013. CISA lists it as known to be exploited, since May 25, 2022. EUVD reports exploitation since May 25, 2022. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 68.0%, the 99th percentile. No source names a fixed version.