CVE-2013-3896

MEDIUM
5.5
CVSS Score
Published: October 9, 2013 at 02:44 PM UTC
Updated: June 16, 2026 at 11:55 PM UTC
1 product affected across 1 vendorSilverlight

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Severity
MEDIUM5.5
Exploitation
CISA KEV
Exploit prediction
EPSS 68%
SSVC
Active

Actively Exploited

CISA Known Exploited Vulnerabilities (KEV) Catalog

EPSS Score68.0%

EPSS (Exploit Prediction Scoring System) estimates a 68.0% chance this CVE is exploited in the wild within the next 30 days — higher than 99% of all CVEs. It complements CVSS: a high EPSS on a mid-severity CVE can still be urgent.

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.

Required Action
The impacted product is end-of-life and should be disconnected if still in use.
Ransomware Use
Unknown
Added to KEV
May 25, 2022
Remediation Due
Jun 15, 2022
1594 days overdue

Description

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."

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

5.0 ≤ v < 5.1.20913.0
Affected range stops below 5.1.20913.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCActiveNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.5MEDIUMCISA-ADP
Attack Vector
LOCAL
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
NVD-CWE-noinfo

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