CVE-2016-4117

CRITICALNVD 9.89.8—
EchelonGraph scoreHIGH confidence

Score elevated to 9.8 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2022-03-03), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 9.8 retained for reference. Confidence: HIGH.

Triggered by: CISA KEV (actively exploited)
Sources: cisa_kev, epss, ghsa, nvd
Trending — 5 sources updated this weekExploited in the wild
9.8EG
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS PROB: 94%CVSS: 9.8Exploit: cisa kev · ssvc active · kev ransomware · Metasploit · Exploit-DB (verified) · epss top5pct · epss high · public exploitExposed: 0

A fix is available — apply it.

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.

CVSS v3
9.8
EG Score
9.8(high)
EG Risk
84(Attend)
EG Risk 84/100SSVC: Attend

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity98% × 45%
Exploitation100% × 40%
Automatability0% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
94%
EPSS %ILE
100%
KEV
⚠ Exploited

Published

May 11, 2016

Last Modified

September 10, 2026

Advisory Details (5)

Auto-updated Sep 24, 2026
⚠️ Active exploitation confirmed. No patch confirmed yet.
generic

Adobe Flash Player: Multiple vulnerabilities (GLSA 201606-08) — Gentoo security

https://security.gentoo.org/glsa/201606-08
generic🔴 Active Exploitation

CVE-2016-4117 - PSIRT.COM

http://www.securityfocus.com/bid/90505
generic
http://rhn.redhat.com/errata/RHSA-2016-1079.html
generic🔴 Active Exploitation

Adobe Flash Player - DeleteRangeTimelineOperation Type Confusion (Metasploit) - OSX remote Exploit

https://www.exploit-db.com/exploits/46339/
generic
http://www.securitytracker.com/id/1035826

Patch Availability(1)

Vendor / EcosystemFixed in / PatchReleasedSource
redhatflash-plugin-0:11.2.202.621-1.el6_82016-05-13redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

All Vendor Advisories

(1)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 92× in last 7d / 387× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 1,472 total refreshes for this CVE.

  1. 2026-09-25 11:21 UTCVendor advisory
  2. 2026-09-25 11:21 UTCGHSA enrichment
  3. 2026-09-25 07:14 UTCVendor advisory
  4. 2026-09-25 07:14 UTCGHSA enrichment
  5. 2026-09-25 03:07 UTCVendor advisory
  6. 2026-09-25 03:07 UTCGHSA enrichment
  7. 2026-09-24 22:58 UTCVendor advisory
  8. 2026-09-24 22:58 UTCGHSA enrichment
  9. 2026-09-24 19:31 UTCCISA KEV update
  10. 2026-09-24 18:51 UTCVendor advisory
  11. 2026-09-24 18:51 UTCGHSA enrichment
  12. 2026-09-24 14:45 UTCEG score recompute
  13. 2026-09-24 14:45 UTCVendor advisory
  14. 2026-09-24 14:45 UTCGHSA enrichment
  15. 2026-09-24 13:59 UTCEPSS rescore
  16. 2026-09-24 10:38 UTCVendor advisory
  17. 2026-09-24 10:38 UTCGHSA enrichment
  18. 2026-09-24 06:31 UTCVendor advisory
  19. 2026-09-24 06:31 UTCGHSA enrichment
  20. 2026-09-24 02:23 UTCVendor advisory
  21. 2026-09-24 02:23 UTCGHSA enrichment
  22. 2026-09-23 22:17 UTCVendor advisory
  23. 2026-09-23 22:17 UTCGHSA enrichment
  24. 2026-09-23 18:10 UTCVendor advisory
  25. 2026-09-23 18:10 UTCGHSA enrichment
Show 75 more
  1. 2026-09-23 14:03 UTCVendor advisory
  2. 2026-09-23 14:03 UTCGHSA enrichment
  3. 2026-09-23 09:57 UTCVendor advisory
  4. 2026-09-23 09:57 UTCGHSA enrichment
  5. 2026-09-23 05:50 UTCVendor advisory
  6. 2026-09-23 05:50 UTCGHSA enrichment
  7. 2026-09-23 01:44 UTCVendor advisory
  8. 2026-09-23 01:44 UTCGHSA enrichment
  9. 2026-09-22 21:37 UTCVendor advisory
  10. 2026-09-22 21:37 UTCGHSA enrichment
  11. 2026-09-22 19:36 UTCCISA KEV update
  12. 2026-09-22 17:31 UTCEG score recompute
  13. 2026-09-22 17:31 UTCVendor advisory
  14. 2026-09-22 17:30 UTCGHSA enrichment
  15. 2026-09-22 13:16 UTCVendor advisory
  16. 2026-09-22 13:15 UTCGHSA enrichment
  17. 2026-09-22 09:08 UTCVendor advisory
  18. 2026-09-22 09:08 UTCGHSA enrichment
  19. 2026-09-22 05:01 UTCVendor advisory
  20. 2026-09-22 05:01 UTCGHSA enrichment
  21. 2026-09-22 00:53 UTCVendor advisory
  22. 2026-09-22 00:53 UTCGHSA enrichment
  23. 2026-09-21 20:47 UTCEG score recompute
  24. 2026-09-21 20:47 UTCVendor advisory
  25. 2026-09-21 20:47 UTCGHSA enrichment
  26. 2026-09-21 19:09 UTCCISA KEV update
  27. 2026-09-21 16:41 UTCVendor advisory
  28. 2026-09-21 16:40 UTCGHSA enrichment
  29. 2026-09-21 12:33 UTCVendor advisory
  30. 2026-09-21 12:33 UTCGHSA enrichment
  31. 2026-09-21 08:26 UTCVendor advisory
  32. 2026-09-21 08:26 UTCGHSA enrichment
  33. 2026-09-21 04:16 UTCVendor advisory
  34. 2026-09-21 04:16 UTCGHSA enrichment
  35. 2026-09-21 00:10 UTCEG score recompute
  36. 2026-09-21 00:10 UTCVendor advisory
  37. 2026-09-21 00:10 UTCGHSA enrichment
  38. 2026-09-20 20:03 UTCVendor advisory
  39. 2026-09-20 20:03 UTCGHSA enrichment
  40. 2026-09-20 15:57 UTCVendor advisory
  41. 2026-09-20 15:56 UTCGHSA enrichment
  42. 2026-09-20 11:49 UTCVendor advisory
  43. 2026-09-20 11:49 UTCGHSA enrichment
  44. 2026-09-20 07:40 UTCVendor advisory
  45. 2026-09-20 07:39 UTCGHSA enrichment
  46. 2026-09-20 03:29 UTCVendor advisory
  47. 2026-09-20 03:29 UTCGHSA enrichment
  48. 2026-09-19 23:23 UTCVendor advisory
  49. 2026-09-19 23:23 UTCGHSA enrichment
  50. 2026-09-19 19:17 UTCVendor advisory
  51. 2026-09-19 19:17 UTCGHSA enrichment
  52. 2026-09-19 15:09 UTCVendor advisory
  53. 2026-09-19 15:09 UTCGHSA enrichment
  54. 2026-09-19 11:02 UTCVendor advisory
  55. 2026-09-19 11:02 UTCGHSA enrichment
  56. 2026-09-19 06:56 UTCVendor advisory
  57. 2026-09-19 06:55 UTCGHSA enrichment
  58. 2026-09-19 02:48 UTCVendor advisory
  59. 2026-09-19 02:48 UTCGHSA enrichment
  60. 2026-09-18 22:41 UTCVendor advisory
  61. 2026-09-18 22:41 UTCGHSA enrichment
  62. 2026-09-18 19:20 UTCCISA KEV update
  63. 2026-09-18 18:35 UTCVendor advisory
  64. 2026-09-18 18:35 UTCGHSA enrichment
  65. 2026-09-18 14:29 UTCVendor advisory
  66. 2026-09-18 14:29 UTCGHSA enrichment
  67. 2026-09-18 14:15 UTCCISA KEV update
  68. 2026-09-18 10:22 UTCVendor advisory
  69. 2026-09-18 10:22 UTCGHSA enrichment
  70. 2026-09-18 06:15 UTCVendor advisory
  71. 2026-09-18 06:15 UTCGHSA enrichment
  72. 2026-09-18 02:08 UTCVendor advisory
  73. 2026-09-18 02:08 UTCGHSA enrichment
  74. 2026-09-17 22:02 UTCEG score recompute
  75. 2026-09-17 22:02 UTCVendor advisory

Publicly available exploits

(2 references)

Working exploit code is in the public domain (1 Metasploit module) (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Exploit-DBEDB-46339✓ verified
    First seen Feb 11, 2019

    Adobe Flash Player - DeleteRangeTimelineOperation Type Confusion (Metasploit)

    Open source ↗
  • Metasploitexploit/osx/browser/adobe_flash_delete_range_tl_op✓ verified
    First seen Apr 27, 2016

    Adobe Flash Player DeleteRangeTimelineOperation Type-Confusion

    Open source ↗

Related CVEs(same vendor)

Frequently asked(6)

What is CVE-2016-4117?
CVE-2016-4117 is a critical vulnerability published on May 11, 2016. 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.
When was CVE-2016-4117 disclosed?
CVE-2016-4117 was first published in the National Vulnerability Database on May 11, 2016, with the most recent update on September 10, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2016-4117 actively exploited?
Yes. CISA added CVE-2016-4117 to the Known Exploited Vulnerabilities catalog on March 3, 2022, affecting Adobe Flash Player. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2016-4117?
CVE-2016-4117 has a CVSS v3 base score of 9.8 (NVD).
Which products are affected by CVE-2016-4117?
CVE-2016-4117 affects Adobe Flash Player. The full affected-products list, including version ranges and fixed versions, is shown in the Affected Packages section of this page.
How do I remediate CVE-2016-4117?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2016-4117, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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