CVE-2016-4171
KEVAdobe Flash Player Remote Code Execution Vulnerability
Description
Unspecified vulnerability in Adobe Flash Player allows for remote code execution.
Unspecified vulnerability in Adobe Flash Player 21.0.0.242 and earlier allows remote attackers to execute arbitrary code via unknown vectors, as exploited in the wild in June 2016.
CVSS 3.1 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HPublishedJun 16, 2016
Last modifiedJun 17, 2026
Added to KEVMar 25, 2022
Remediation dueApr 15, 2022
References
- lists.opensuse.org/opensuse-security-announce/2016-06/msg00031.htmlMailing ListThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2016-06/msg00035.htmlMailing ListThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2016-06/msg00038.htmlMailing ListThird Party Advisory
- securityfocus.com/bid/91184Third Party AdvisoryVDB Entry
- securitytracker.com/id/1036094Third Party AdvisoryVDB Entry
- access.redhat.com/errata/RHSA-2016:1238Third Party Advisory
- helpx.adobe.com/security/products/flash-player/apsa16-03.htmlVendor Advisory
- helpx.adobe.com/security/products/flash-player/apsb16-18.htmlVendor Advisory
- security.gentoo.org/glsa/201606-08Third Party Advisory
- kb.cert.org/vuls/id/748992Third Party AdvisoryUS Government Resource
- github.com/cisagov/vulnrichment/issues/196Issue Tracking
- cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-4171US Government Resource
0 recent articles mention this CVE
81
Risk assessment · Critical
Actively exploited. Patch immediately.
- Exploitation
- Confirmed in the wild (CISA KEV)
- Federal remediation deadline
- Overdue by 1656 days
- CVSS
- 9.8 CRITICAL
- EPSS (30-day exploit probability)
- 20.1% · top 3% of all CVEs
- Weakness
- NVD-CWE-noinfo
- Attack vector
- Network, remotely reachable
- Preconditions
- No privileges and no user interaction
Recommended actions
- 1.The impacted product is end-of-life and should be disconnected if still in use.
- 2.Treat as emergency change: patch or isolate internet-facing instances first.
- 3.Review exposure: confirm which instances are reachable from the internet and restrict access until patched.
- 4.Hunt for compromise: review logs for the disclosure window, not just from the patch date.
Assessment is derived automatically from the live signals above; verify against your own asset inventory.