netVigilance Vulnerability intelligence since 2004
CVE-2016-0034 · netVigilance record NV22-0421

Microsoft Silverlight Runtime Remote Code Execution

past due ransomware

What to do

The impacted products are end-of-life and should be disconnected if still in use.

CISA deadline 2022-06-15 · passed 4 years 2 months ago · applies to US federal civilian agencies; used elsewhere as a reference SLA

What happened

Microsoft Silverlight mishandles negative offsets during decoding, which allows attackers to execute remote code or cause a denial-of-service (DoS).

Who is affected

Microsoft Silverlight. Affected version ranges are listed in the vendor advisory and the NVD entry linked under Sources.

Weakness class: CWE-20.

Timeline

  1. Added to CISA KEVExploitation in the wild confirmed by CISA
  2. CISA remediation deadlinepassed 4 years 2 months ago

Sources