CVE-2016-0034
HIGH KEV RANSOMWAREMicrosoft Silverlight 5.0-5.1.41212.0 - Remote Code Execution via Negative Offset Decoding
Title source: llmExploitation Summary
CVE-2016-0034 is actively exploited and listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added May 25, 2022, with confirmed use in ransomware campaigns.
Description
Microsoft Silverlight 5 before 5.1.41212.0 mishandles negative offsets during decoding, which allows remote attackers to execute arbitrary code or cause a denial of service (object-header corruption) via a crafted web site, aka "Silverlight Runtime Remote Code Execution Vulnerability."
References (3)
Core 3
Core References
Broken Link, Third Party Advisory, VDB Entry vdb-entry
x_refsource_sectrack
http://www.securitytracker.com/id/1034655
Patch, Vendor Advisory vendor-advisory
x_refsource_ms
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-006
Third Party Advisory, US Government Resource
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-0034
Scores
CVSS v3
8.8
EPSS
0.5487
EPSS Percentile
98.1%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
active
Automatable
no
Technical Impact
total
Details
CISA KEV
2022-05-25
VulnCheck KEV
2015-11-25
InTheWild.io
2015-11-25
ENISA EUVD
EUVD-2016-0072
Ransomware Use
Confirmed
Status
published
Products (1)
microsoft/silverlight
5.0 - 5.1.41212.0
Published
Jan 13, 2016
KEV Added
May 25, 2022
Tracked Since
Feb 18, 2026