CVE-2013-0074

Microsoft Silverlight Double Dereference Vulnerability

  • High 7.8
  • Exploited: added to CISA KEV 25 May 2022
  • Used in ransomware campaigns

Description

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."

Key facts

Published
13 Mar 2013
Last changed
14 Aug 2026
Assigned by
microsoft
KEV added
25 May 2022
KEV fix due
15 Jun 2022
Used in ransomware
Yes, according to CISA
EPSS
78.885% likely to be exploited in the next 30 days, higher than 99.599% of CVEs (scores for 15 Nov 2026)
SSVC (CISA)
Exploitation: active; Automatable: no; Technical impact: total

Severity scores

Each score is shown as its source gave it. They are not averaged or merged.

  • 7.8CVSS 3.1, Highfrom CISA (ADP container)CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

What to do

  • The impacted product is end-of-life and should be disconnected if still in use.CISA KEV required action

Historical context and remediation

This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.

No separately sourced impact summary is available on this page yet. Consult the description, version data and dated exploitation evidence.

Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.

Read the original CVE record.

Affected products

VendorProductVersions
n/an/a
  • n/a (affected)

Timeline

  1. 13 Mar 2013 Published
  2. 25 May 2022 CVE-2013-0074 added to CISA KEV
  3. 25 May 2022 Added to the CISA KEV catalogue

References