CVE-2016-0034
Actively exploited. CVE-2016-0034 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-05-25) — exploitation has been observed in the wild, and US federal agencies are required to remediate it under BOD 22-01. Treat patching as urgent.
Microsoft Silverlight mishandles negative offsets during decoding, which allows attackers to execute remote code or cause a denial-of-service (DoS).
CSIRTS triage
- What
- The vulnerability allows attackers to execute remote code or cause a denial-of-service (DoS) due to mishandling of negative offsets.
- Who is affected
- Users of Microsoft Silverlight are affected by this vulnerability.
- Urgency
- Remediation is critical due to active exploitation and severity of the vulnerabilities.
- Action
- Users should update to the latest version of Silverlight.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Exploitation confirmedAlready exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 99% of all EPSS-scored CVEs.
Advisory coverage (1)
- criticalexploitedCVE-2016-0034: Microsoft Silverlight Runtime Remote Code Execution Vulnerabilitycisa-kev · 2022-05-25
External references
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