CVE-2016-0034: Microsoft Silverlight Runtime Remote Code Execution Vulnerability

CVE-2016-0034 · Severity: critical · CVSS 8.8 · Exploited in the wild · Published 2022-05-25

Microsoft Silverlight mishandles negative offsets during decoding, leading to object-header corruption. This vulnerability allows remote attackers to execute arbitrary code or cause a denial of service via a crafted website.

Technologies: Microsoft Silverlight. Vendors: Microsoft.

Quick answers

Is CVE-2016-0034 exploited in the wild?
Yes. CVE-2016-0034 is known to be exploited in the wild, first recorded on 25 May 2022. Treat it as urgent.
How severe is CVE-2016-0034?
Critical severity, with a CVSS score of 8.8, published 25 May 2022.
Which products and versions are affected?
Microsoft Silverlight 5 before 5.1.41212.0.
Is there a fix for CVE-2016-0034?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2016-0034 attacked?
It is attacked over the network, in a software library.
Am I affected by CVE-2016-0034?
Check whether you run Microsoft Silverlight. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Affected products

  • Microsoft Silverlight 5 before 5.1.41212.0

Timeline

  • 2016-01-13: disclosed: Initial NVD publication date
  • 2016-01-13: advisory: Microsoft security bulletin MS16-006 released
  • 2022-05-25: kev added: Added to CISA Known Exploited Vulnerabilities Catalog
  • 2022-05-25: exploited: Confirmed exploited in the wild per CISA KEV entry

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