VulnerabilityAnalyzed
CVE-2016-0034
Microsoft Silverlight Runtime Remote Code Execution Vulnerability
KEVHIGH 8.8EPSS 69.6%
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 15 June 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
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."
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 69.61% probability · 99th percentile
- CISA KEV
- Listed 25 May 2022 · due 15 June 2022 · used in ransomware campaigns
- Affected
- microsoft/silverlight
- Source
- secure@microsoft.com
CISA notes
The impacted products are end-of-life and should be disconnected if still in use. https://nvd.nist.gov/vuln/detail/CVE-2016-0034
References
- http://www.securitytracker.com/id/1034655Broken Link, Third Party Advisory, VDB Entry
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-006Patch, Vendor Advisory
- http://www.securitytracker.com/id/1034655Broken Link, Third Party Advisory, VDB Entry
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-006Patch, Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-0034US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.