Silverlight vulnerabilities: known CVEs & security history
Microsoft · Actively exploited · 32 tracked CVEs · 4 actively exploited · updated June 2026 · what is a CVE? →
This is the full list of known vulnerabilities (CVEs) across all Silverlight release lines — 32 in total, with 4 actively exploited in the wild. A CVE here doesn't mean your version is affected — check Silverlight's current status and the safe version to run.
Known Silverlight CVEs
Actively-exploited and most-severe first. Open any CVE for full details.
| CVE | Severity | CVSS | EPSS | Year |
|---|---|---|---|---|
| CVE-2016-0034⚡ exploited | high | 8.8 | 70% | 2016 |
| CVE-2015-1671⚡ exploited | high | 7.8 | 55% | 2015 |
| CVE-2013-0074⚡ exploited | high | 7.8 | 82% | 2013 |
| CVE-2013-3896⚡ exploited | medium | 5.5 | 70% | 2013 |
| CVE-2015-6166 | high | 9.3 | 14% | 2015 |
| CVE-2015-6108 | high | 9.3 | 26% | 2015 |
| CVE-2015-2464 | high | 9.3 | 36% | 2015 |
| CVE-2015-2463 | high | 9.3 | 34% | 2015 |
| CVE-2015-2456 | high | 9.3 | 36% | 2015 |
| CVE-2015-2455 | high | 9.3 | 37% | 2015 |
| CVE-2015-2435 | high | 9.3 | 22% | 2015 |
| CVE-2015-1715 | high | 9.3 | 13% | 2015 |
| CVE-2013-3178 | high | 9.3 | 32% | 2013 |
| CVE-2013-3131 | high | 9.3 | 22% | 2013 |
| CVE-2012-0176 | high | 9.3 | 22% | 2012 |
| CVE-2012-0159 | high | 9.3 | 27% | 2012 |
| CVE-2011-1253 | high | 9.3 | 13% | 2011 |
| CVE-2011-0664 | high | 9.3 | 16% | 2011 |
| CVE-2010-1898 | high | 9.3 | 25% | 2010 |
| CVE-2010-0019 | high | 9.3 | 14% | 2010 |
| CVE-2017-8527 | high | 8.8 | 19% | 2017 |
| CVE-2017-0283 | high | 8.8 | 39% | 2017 |
| CVE-2016-3367 | high | 8.8 | 18% | 2016 |
| CVE-2017-0108 | high | 7.8 | 50% | 2017 |
| CVE-2013-3129 | high | 7.8 | 32% | 2013 |
| CVE-2012-0014 | high | 7.8 | 28% | 2012 |
| CVE-2011-1845 | high | 7.8 | 12% | 2011 |
| CVE-2011-1844 | high | 7.8 | 12% | 2011 |
| CVE-2014-0319 | high | 7.1 | 6% | 2014 |
| CVE-2016-3209 | medium | 5.5 | 54% | 2016 |
| CVE-2015-6165 | medium | 4.3 | 17% | 2015 |
| CVE-2015-6114 | medium | 4.3 | 20% | 2015 |
Is my Silverlight version affected?
The list above spans every release. To know whether your version is affected — and the minimum safe version to upgrade to — check it directly.
Check your Silverlight version → · Monitor Silverlight for new CVEs →
Silverlight vulnerabilities — frequently asked
How many known vulnerabilities does Silverlight have?
IsItPatched tracks 32 CVEs for Silverlight, 4 of which are actively exploited (CISA KEV). 0 are critical-severity and 28 high-severity. These span every release line — what matters is whether the version you run is affected.
Does Silverlight have any actively-exploited vulnerabilities?
Yes — 4 Silverlight CVEs are in CISA's Known Exploited Vulnerabilities catalog, meaning they are confirmed exploited in the wild (2 linked to ransomware). Patch these as a priority.
What is the most severe Silverlight vulnerability?
Among tracked issues, CVE-2016-0034 (HIGH, CVSS 8.8), which is actively exploited, ranks highest.
Is Silverlight safe to use?
It depends on the version. The latest supported Silverlight release clears the known issues; older versions may still be affected. Check the exact version you run for a verdict.
CVE data aggregated from NVD, CISA KEV and EPSS (FIRST.org). Related: Silverlight security status · Silverlight end-of-life · actively-exploited CVEs. Always verify against Microsoft's advisories — see our disclaimer.