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Fencer Intel
high 7.8

CVE-2016-4117 kev+ ransomware in the critical feed json

Adobe Flash Player 21.0.0.226 and earlier allows remote attackers to execute arbitrary code via unspecified vectors, as exploited in the wi…

published 2016-05-11 10 y ago modified 2026-09-10 1 mo ago also EUVD-2016-5118

cvss
7.8
version 3.1, CNA
cisa kev
Exploited
added 2022-03-03, used in ransomware
epss
94.3%
EPSS 94.3% chance of exploitation in 30 days, percentile 99.8%
public exploits
2
Metasploit, Exploit-DB

Summary

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.

Patch / fix

cisa required action The impacted product is end-of-life and should be disconnected if still in use.

  • flashplugin-nonfree Ubuntu 14.04 LTS 11.2.202.621ubuntu0.14.04.1
  • flashplugin-nonfree Ubuntu 16.04 LTS 11.2.202.621ubuntu0.16.04.1

ubuntu advisories UBUNTU-CVE-2016-4117

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • flash-plugin RHEL 5 EXTRAS 11.2.202.621-1.el5
  • flash-plugin RHEL 6 EXTRAS 11.2.202.621-1.el6_8

red hat advisories RHSA-2016:1079

  • flash-player SLED 12 SP1, SLED 12, SLE Workstation Extension 12 SP1 +1 more 11.2.202.621-130.1

suse advisories SUSE-SU-2016:1305-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2016-4117 updated cvss 6.8

flash-plugin: multiple code execution issues fixed in APSB16-15

  • Red Hat Enterprise Linux Desktop Supplementary (v. 5) flash-plugin 11.2.202.621-1.el5 Red Hat Enterprise Linux Desktop Supplementary (v. 6) flash-plugin 11.2.202.621-1.el6_8 Red Hat Enterprise Linux Server Supplementary (v. 5) flash-plugin 11.2.202.621-1.el5 Red Hat Enterprise Linux Server Supplementary (v. 6) flash-plugin 11.2.202.621-1.el6_8 Red Hat Enterprise Linux Workstation Supplementary (v. 6) flash-plugin 11.2.202.621-1.el6_8
    fixed: vendor fix RHSA-2016:1079

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Timeline

  1. First public exploit (Metasploit exploit/osx/browser/adobe_flash_delete_range_tl_op)
  2. Found exploited as a 0-day (Project Zero)
  3. Published
  4. 0-day patched (Project Zero)
  5. CISA SSVC: exploitation active
  6. Added to CISA KEV
  7. CISA patch deadline

Known exploited

Added
4 y ago
Patch by
2022-03-24 (4 y ago)
Ransomware
Known to be used in ransomware campaigns
Required action
The impacted product is end-of-life and should be disconnected if still in use.
Vendor, product
Adobe, Flash Player
CISA name
Adobe Flash Player Arbitrary Code Execution Vulnerability

Zero-day

Detected in real attacks while still unknown to the vendor and the public, per Google Project Zero's 0day In-the-Wild tracker.

Found
2016-05-08
Patched
2016-05-12
Details
project zero tracker

ATT&CK techniques

How it is exploited and what it leads to, in MITRE ATT&CK terms.

  • T1204.002 Malicious File exploitation
  • T1105 Ingress Tool Transfer primary impact

kev release 2025-07-28, att&ck v16.1. KEV to ATT&CK mappings by the MITRE Center for Threat-Informed Defense (Mappings Explorer, Apache-2.0). © 2026 The MITRE Corporation. This work is reproduced and distributed with the permission of The MITRE Corporation. Terms of use

CISA SSVC

Exploitation
Active, exploited in the wild
Automatable
no
Technical impact
total
Assessed
5 y ago

Exploit prediction

94.27% chance of exploitation in the next 30 days, higher than 99.8% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

CVSS scores

assigned by version score vector
CISA ADP 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 2.0 10.0 AV:N/AC:L/Au:N/C:C/I:C/A:C

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.