CVE-2016-4117
Exploitation confirmed. First attested on 2022-03-03 by CISA-ADP, CISA KEV, GCVE · kevintel.
- Published2016-05-11
Am I affected?
Debian, Ubuntu or Red Hat sometimes backport a fix without changing the upstream version number: such a version reads « to verify », never « affected ».With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.
Description
Adobe Flash Player 21.0.0.226 and earlier allows remote attackers to execute arbitrary code via unspecified vectors, as exploited in the wild in May 2016.
Timeline
dates in UTC- 2016-05-1101:59CVE publishedNVD
- 2022-03-03Listed as exploited by GCVEGCVE
- 2022-03-03Exploitation first reportedCISA KEV
- 2022-03-03Added to the CISA KEV catalogCISA KEV
- 2025-11-1719:42SSVC exploitation set to activeCISA-ADP
- 2026-10-2319:23First public proof of conceptPoC-in-GitHub
- 2026-10-2319:23EPSS crossed 10 %FIRST EPSS
Observed activity
isMalicious corpus · updated 2026-10-23 21:37 UTCBlock these indicators
- Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2016-4117?format=txt
- CSV export: https://api.ismalicious.com/edl/cve/CVE-2016-4117?format=csv
- TAXII collection of exploited CVEs
- The EDL and CSV take an API key on the Pro plan.
Versions per branch
NVD| Branch | Affected | Fixed in | Source |
|---|---|---|---|
| 13.1 | = 13.1 | no fix published | NVD |
| 13.2 | = 13.2 | no fix published | NVD |
| Branch | Affected | Fixed in | Source |
|---|---|---|---|
| 5.0 | = 5.0 | no fix published | NVD |
| 6.0 | = 6.0 | no fix published | NVD |
| Branch | Affected | Fixed in | Source |
|---|---|---|---|
| 5.0 | = 5.0 | no fix published | NVD |
| 6.0 | = 6.0 | no fix published | NVD |
6 more products in the sources.
as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.
Fix
- CISA’s required action: The impacted product is end-of-life and should be disconnected if still in use.due 2022-03-24
Advisories and patches
- helpx.adobe.comVendor Advisory
Detection
read 2026-10-23 19:23 UTC- Nuclei template
- none so far ProjectDiscovery
- Exploit-DB
- no entry Exploit-DB
CISA Known Exploited Vulnerability
- Date Added
- 2022-03-03
- Patch Due Date
- 2022-03-24
- Ransomware Use
- Unknown
- Required Action
- The impacted product is end-of-life and should be disconnected if still in use.
Sources
- CISA KEVKEV entry2022-03-03
- GCVEexploitation2022-03-03
- CISA-ADPSSVC decisionactive2025-11-17
- OpenCVESSVC decisionactive—
- CISA-ADPCVSS 3.17.82025-02-04
- NVDCVSS 3.19.8read 2026-10-23
- NVDCVSS 2.010read 2026-10-23
- FIRST EPSSEPSS score94.4 %read 2026-10-23
- PoC-in-GitHubproof of concept1read 2026-10-23
Technical details
- CVSS v3 Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Published
- 2016-05-11
- Last Modified
- 2026-09-10
- NVD status
- Analyzed
Frequently asked questions
What is CVE-2016-4117?
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What is the CVSS score for CVE-2016-4117?
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Related vulnerabilities
Same product first, then the same vendor advisory and the same publication week.