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Vulnerabilities

Vulnerability · CVE-2013-3896

Microsoft Silverlight Information Disclosure Vulnerability

Published Oct 9, 2013 · catalog updated Jun 16, 2026 · Microsoft Silverlight

Patch now

CVE-2013-3896 is in the CISA known-exploited catalog, due Jun 15, 2022. Confirm Microsoft Silverlight against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
Severity
Medium5.5
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
67.96%
Remediation
Remediation guidance
Affected products
cpe microsoft/silverlight · vendor Microsoft Silverlight · vendor n/a n/a

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."

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe microsoft/silverlightversion unspecified
  • vendor Microsoft Silverlightversion unspecified
  • vendor n/a n/aversion unspecified

How to fix CVE-2013-3896

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2013-3896 is in the CISA known-exploited catalog, due Jun 15, 2022. Confirm Microsoft Silverlight against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Affected version ranges are not on this record. The impacted product is end-of-life and should be disconnected if still in use.

What should an analyst verify?

CWE-20: Improper Input Validation. EPSS 67.96%. The CISA KEV listing is the exploitation evidence. A public exploit reference is linked in Sources. That is not the same as confirmed exploitation. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 9, 2013 · Catalog

    Detected

    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."

  2. May 25, 2022 · CISA KEV

    Known exploited

    The impacted product is end-of-life and should be disconnected if still in use.

  3. Jun 15, 2022 · CISA KEV

    Remediation due

    The impacted product is end-of-life and should be disconnected if still in use.

  4. Jun 16, 2026 · Catalog

    Updated

    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."

Sources

  • CISA KEVConfirmed exploitationCVE-2013-3896

    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.

    cisa.gov
  • CVE.orgVulnerability recordCVE-2013-3896

    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."

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2013-3896

    30-day exploitation probability 68.0%

    first.org
  • Exploit DatabasePublic exploit reference41702

    Public archive entry. The exploit body is not stored here.

    exploit-db.com
  • Metasploit ModulesPublic exploit moduleexploit_windows/browser/ms13_022_silverlight_script_object

    Public module reference (normal). Module source is not copied into this catalog.

    rapid7.com
  • NIST NVDVulnerability recordCVE-2013-3896

    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."

    nvd.nist.gov
  • VulnCheck KEVConfirmed exploitationCVE-2013-3896

    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.

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 17, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.