CVE-2016-4176

HIGHNVD 8.89.8▲
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2022-05-14. NVD baseline CVSS 8.8; sources differ by 1.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Weaponized
8.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 18%CVSS: 8.8Exploit: NoneExposed: 0

A fix is available — apply it.

Adobe Flash Player before 18.0.0.366 and 19.x through 22.x before 22.0.0.209 on Windows and OS X and before 11.2.202.632 on Linux allows attackers to execute arbitrary code or cause a denial of service (stack memory corruption) via unspecified vectors, a different vulnerability than CVE-2016-4177.

CVSS v3
8.8
EG Score
9.8(medium)
EG Risk
75(Track*)
EG Risk 75/100SSVC: Track*

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%
Exploitation65% × 40%
Automatability30% × 15%
Action: Watch closely — could escalate to Attend.
EPSS
96.8%
KEV
Not listed

Published

July 13, 2016

Last Modified

May 6, 2026

Advisory Details (5)

Auto-updated May 22, 2026
🔬 Proof of concept available. Patch available. Sources: redhat.
generic🟡 PoC Available

Adobe Flash Player 22.0.0.192 - TAG Memory Corruption - Multiple dos Exploit

https://www.exploit-db.com/exploits/40105/
generic

Microsoft Security Bulletin MS16-093 - Critical | Microsoft Learn

https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-093
redhat Patch Available

Affected: Red Hat Enterprise Linux 5

https://access.redhat.com/errata/RHSA-2016:1423
generic
http://www.securitytracker.com/id/1036280
generic
http://www.securityfocus.com/bid/91721

Patch Availability(1)

Vendor / EcosystemFixed in / PatchReleasedSource
redhatflash-plugin-0:11.2.202.632-1.el6_82016-07-13redhat

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 10× in last 7d / 38× 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.

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

Publicly available exploits

(1 reference)

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

  • Exploit-DBEDB-40105✓ verified
    First seen Jul 13, 2016

    Adobe Flash Player 22.0.0.192 - TAG Memory Corruption

    Open source ↗

Frequently asked(5)

What is CVE-2016-4176?
CVE-2016-4176 is a high vulnerability published on July 13, 2016. Adobe Flash Player before 18.0.0.366 and 19.x through 22.x before 22.0.0.209 on Windows and OS X and before 11.2.202.632 on Linux allows attackers to execute arbitrary code or cause a denial of service (stack memory corruption) via unspecified vectors, a different vulnerability than CVE-2016-4177.
When was CVE-2016-4176 disclosed?
CVE-2016-4176 was first published in the National Vulnerability Database on July 13, 2016, with the most recent update on May 6, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2016-4176 actively exploited?
CVE-2016-4176 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 96.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2016-4176?
CVE-2016-4176 has a CVSS v3 base score of 8.8 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.8.
How do I remediate CVE-2016-4176?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2016-4176, 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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