CVE-2016-0034

microsoft silverlight

Published 13 Jan 2016 · updated 14 Aug 2026 · Analyzed

8.8 High · CVSS 3.1, NVD

Exploited in the wild

CISA added this to its Known Exploited Vulnerabilities catalog on 25 May 2022, with a remediation deadline of 15 Jun 2022 for US federal agencies. It has been used in ransomware campaigns.

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

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

www.securitytracker.com/id/1034655 · Broken Link, Third Party Advisory, VDB Entry
docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-006 · Patch, Vendor Advisory
www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-0034 · US Government Resource