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

> CVE-2016-0034: Microsoft Silverlight Runtime Remote Code Execution Vulnerability. CVSS 8.8 (CVSS 3.1), in CISA KEV.

Canonical: https://rewindex.com/cve/CVE-2016-0034
Last updated: 2026-08-14T03:55:55Z

- Published: 2016-01-13 02:00 UTC · Updated: 2026-08-14 03:55 UTC · Assigner: microsoft
- CVSS: 8.8 (CVSS 3.1) · Severity: High · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS: 69.4%, 99th percentile (scored 2026-10-25)
- CISA KEV: yes, added 2022-05-25, federal due date 2022-06-15, ransomware use: Known

## 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."

## CISA required action

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

## Affected vendors and products

- Microsoft: Silverlight

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2016-0034)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2016-0034)
- [https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-006](https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-006)
- [http://www.securitytracker.com/id/1034655](http://www.securitytracker.com/id/1034655)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2016-0034 · Markdown: https://rewindex.com/cve/CVE-2016-0034.md · JSON: https://rewindex.com/api/v1/cves/CVE-2016-0034 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T02:01:55.819Z