CVE-2013-0074

Microsoft Silverlight 5, and 5 Developer Runtime, before 5.1.20125.0 does not properly validate...

7.8 HighIn KEVPublic exploit

Microsoft Silverlight 5, and 5 Developer Runtime, before 5.1.20125.0 does not properly validate pointers during HTML object rendering, which allows remote attackers to execute arbitrary code via a crafted Silverlight application, aka "Silverlight Double Dereference 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: High
Availability: High

Exploit likelihood

78.9%Up 20.6 points since Feb 4, 2022

What each source reports

NVD Score used 7.8

Record: CVE-2013-0074
CVSS 3.1: 7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.0: 9.3 HighAV:N/AC:M/Au:N/C:C/I:C/A:C
Updated: 2026-11-02

CVE List 7.8

Record: CVE-2013-0074
CVSS 3.1: 7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated: 2026-11-02

EUVDEUVD-2013-0117 7.8

Record: EUVD-2013-0117
CVSS 3.1: 7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated: 2026-11-02

GitHub AdvisoriesGHSA-px5j-h582-r6p9 7.8

Microsoft Silverlight 5, and 5 Developer Runtime, before 5.1.20125.0 does not properly validate...

Record: GHSA-px5j-h582-r6p9
CVSS 3.1: 7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated: 2026-11-02

CISA KEV No score

Microsoft Silverlight Double Dereference Vulnerability

Microsoft Silverlight does not properly validate pointers during HTML object rendering, which allows remote attackers to execute code via a crafted Silverlight application.

Record: CVE-2013-0074
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
Exploit-DB	Microsoft Internet Explorer - COALineDashStyleArray Unsafe Memory Access (MS12-022) (Metasploit)	2013-11-27

History

History
Recorded	Changed	Sources
Nov 3, 2026	exploitation, exploits
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-2013-0074 is a high vulnerability (CVSS 7.8) in Microsoft Silverlight, published March 13, 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 78.9%, the 99th percentile. No source names a fixed version.