CVE-2013-3896

MEDIUM KEV RANSOMWARE

Microsoft Silverlight <5.1.20913.0 - Info Disclosure

Title source: llm
STIX 2.1

Exploitation Summary

CVE-2013-3896 is actively exploited and listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added May 25, 2022, with confirmed use in ransomware campaigns. EIP tracks 1 public exploit.

AI-analyzed exploit summary This Metasploit module exploits CVE-2013-3896, a vulnerability in Microsoft Silverlight's ScriptObject Initialize() method, which allows unsafe memory access leading to arbitrary code execution. It bypasses DEP/ASLR using an info leak in WriteableBitmap and targets IE6-10 on Windows XP/7.

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."

Exploits (1)

exploitdb WORKING POC
rubylocalwindows
https://www.exploit-db.com/exploits/41702

This Metasploit module exploits CVE-2013-3896, a vulnerability in Microsoft Silverlight's ScriptObject Initialize() method, which allows unsafe memory access leading to arbitrary code execution. It bypasses DEP/ASLR using an info leak in WriteableBitmap and targets IE6-10 on Windows XP/7.

Classification
Working Poc 100%
Attack Type
Rce
Complexity
Complex
Reliability
Reliable
Target: Microsoft Silverlight (versions affected by MS13-022 and MS13-087)
No auth needed
Prerequisites: Victim must visit a malicious webpage hosting the exploit · Silverlight plugin must be installed and enabled in the browser
devstral-2 · analyzed Feb 19, 2026 Full analysis →

References (5)

Core 5
Core References
Patch, Vendor Advisory vendor-advisory x_refsource_ms
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-087
Third Party Advisory, US Government Resource third-party-advisory x_refsource_cert
http://www.us-cert.gov/ncas/alerts/TA13-288A

Scores

CVSS v3 5.5
EPSS 0.8471
EPSS Percentile 99.4%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation active
Automatable no
Technical Impact partial

Details

CISA KEV 2022-05-25
VulnCheck KEV 2021-02-11
InTheWild.io 2014-05-22
ENISA EUVD EUVD-2013-3828
Ransomware Use Confirmed
Status published
Products (1)
microsoft/silverlight 5.0 - 5.1.20913.0
Published Oct 09, 2013
KEV Added May 25, 2022
Tracked Since Feb 18, 2026