CVE-2013-3896Microsoft Silverlight Information Disclosure Vulnerability

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."

5.5 MEDIUMEPSS 67.14%⚡ Known Exploited (CISA KEV)NVD: Analyzed

Last updated: 2026-06-16 23:55 UTC

OverviewCVSS details

5.5MEDIUMCVSS 3.1

Score source: NVD
NVD status: Analyzed
Published: Oct 9, 2013
Assigner: microsoft

Affected

silverlight (microsoft)

Versions: 5.0 before 5.1.20913.0
Fixed in: 5.1.20913.0

Exploitation

Public exploit: None listed
CISA KEV: Listed · May 25, 2022
KEV due date: Jun 15, 2022
Ransomware use: Unknown
SSVC: Exploitation active · Automatable no · Impact partial

EPSS · FIRST, scored Nov 9

67.14%chance of exploitation in 30 days

Higher than 99.30% of CVEs

CVSS 3.1 · NVD

5.5Medium

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Attack vector: Local
Attack complexity: Low
Privileges required: None
User interaction: Required
Scope: Unchanged
Confidentiality impact: High
Integrity impact: None
Availability impact: None

CVSS 2.0 · NVD

4.3Medium

AV:N/AC:M/Au:N/C:P/I:N/A:N

Attack vector: Network
Attack complexity: Medium
Authentication: None
Confidentiality impact: Partial
Integrity impact: None
Availability impact: None

NVD status: Analyzed

Overview Affected Products References

NVD CVE.org

Overview

Severity

Score	Severity	Version	Vector String
5.5	MEDIUM	3.1NVD	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
4.3	MEDIUM	2.0NVD	AV:N/AC:M/Au:N/C:P/I:N/A:N

CISA required action

⚡ Known exploited · remediation due Jun 15, 2022

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

Details

CVE ID: CVE-2013-3896
Status: Analyzed
Assigner (CNA): microsoft
Published: Oct 9, 2013
Last modified: 2026-06-16 23:55 UTC
Weaknesses: CWE-20

Sources

Refreshed hourly from the sources above. Last fetched 2026-11-09 15:15 UTC.