Is CVE-2016-4117 being actively exploited?

Yes. CVE-2016-4117 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added on March 3, 2022.

What is the CVSS score for CVE-2016-4117?

CVE-2016-4117 has a CVSS 3.1 base score of 9.8 (CRITICAL).

CVE-2016-4117

CRITICAL · CVSS 9.8CISA KEV: actively exploitedEPSS 94.4%EU EUVD: exploited

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.

Key facts

CVSS score: 9.8 (v3.1)
Severity: CRITICAL
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS score: 94.4% (100th percentile)
In CISA KEV: Yes, added March 3, 2022
In EU EUVD: Yes (EUVD-2016-5118)
Published: May 11, 2016
NVD last modified: September 10, 2026
Status: Analyzed

CISA Known Exploited Vulnerability

Adobe Flash Player Arbitrary Code Execution Vulnerability

Added to the KEV catalog on March 3, 2022; federal remediation due March 24, 2022. Known to be used in ransomware campaigns.

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2016-5118 in the EU Vulnerability Database. ENISA flags it as known exploited. Last updated in EUVD on September 10, 2026.

View on the EU Vulnerability Database

Affected products

adobe / flash player
opensuse / evergreen
opensuse / opensuse
opensuse / opensuse
redhat / enterprise linux desktop
redhat / enterprise linux desktop
redhat / enterprise linux server
redhat / enterprise linux server
redhat / enterprise linux server from rhui
redhat / enterprise linux server from rhui
redhat / enterprise linux workstation
redhat / enterprise linux workstation
suse / linux enterprise desktop
suse / linux enterprise desktop
suse / linux enterprise workstation extension
suse / linux enterprise workstation extension

Certified products that may be affected

1 FIPS 140 or Common Criteria certified product, from automated matching by sec-certs.org.

Red Hat Enterprise Linux 5 OpenSSH-Server Cryptographic Module - Red Hat®, Inc. - FIPS 140 1384 - historical

References

http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00044.html(Mailing List, Third Party Advisory)
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00045.html(Mailing List, Third Party Advisory)
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00046.html(Mailing List, Third Party Advisory)
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00047.html(Mailing List, Third Party Advisory)
http://rhn.redhat.com/errata/RHSA-2016-1079.html(Third Party Advisory)
http://www.securityfocus.com/bid/90505(Broken Link, Third Party Advisory, VDB Entry)
http://www.securitytracker.com/id/1035826(Broken Link, Third Party Advisory, VDB Entry)
https://github.com/cisagov/vulnrichment/issues/196(Issue Tracking)
https://helpx.adobe.com/security/products/flash-player/apsa16-02.html(Broken Link, Vendor Advisory)
https://helpx.adobe.com/security/products/flash-player/apsb16-15.html(Broken Link)
https://security.gentoo.org/glsa/201606-08(Third Party Advisory)
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-4117(US Government Resource)
https://www.exploit-db.com/exploits/46339/(Exploit, Third Party Advisory, VDB Entry)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

Query CVEs from your AI assistant

The CVE/NVD Explorer brain answers CVE questions directly inside Claude, ChatGPT, or any MCP assistant — always up to date, no setup. Add it once and stop pasting advisories into chat.

Add the CVE brain