CVE-2014-0502

CRITICALNVD 8.89.0▲
EchelonGraph scoreHIGH confidence

Score elevated to 9.0 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2024-09-17), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 8.8 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
9.0EG
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS PROB: 24%CVSS: 8.8Exploit: cisa kev · ssvc active · epss top5pctExposed: 0

A fix is available — apply it.

Double free vulnerability in Adobe Flash Player before 11.7.700.269 and 11.8.x through 12.0.x before 12.0.0.70 on Windows and Mac OS X and before 11.2.202.341 on Linux, Adobe AIR before 4.0.0.1628 on Android, Adobe AIR SDK before 4.0.0.1628, and Adobe AIR SDK & Compiler before 4.0.0.1628 allows remote attackers to execute arbitrary code via unspecified vectors, as exploited in the wild in February 2014.

CVSS v3
8.8
EG Score
9.0(high)
EG Risk
96(Act)
EG Risk 96/100SSVC: Act

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
Severity90% × 45%
Exploitation100% × 40%
Automatability100% × 15%
Action: Fix now — active exploitation, automatable, high impact.
EPSS PROB
24%
EPSS %ILE
98%
KEV
⚠ Exploited

Published

February 21, 2014

Last Modified

April 21, 2026

Advisory Details (3)

Auto-updated May 2, 2026
⚠️ Active exploitation confirmed. No patch confirmed yet.
generic🔴 Active Exploitation

[Archive of Volatility Labs]: Building a Decoder for the CVE-2014-0502 Shellcode

https://volatility-labs.blogspot.com/2014/04/building-decoder-for-cve-2014-0502.html
generic

Adobe Flash Player: Multiple vulnerabilities (GLSA 201405-04) — Gentoo security

http://security.gentoo.org/glsa/glsa-201405-04.xml
generic
http://rhn.redhat.com/errata/RHSA-2014-0196.html

Patch Availability(1)

Vendor / EcosystemFixed in / PatchReleasedSource
redhatflash-plugin-0:11.2.202.341-1.el62014-02-21redhat

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.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

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 104× in last 7d / 394× 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 1,169 total refreshes for this CVE.

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

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Frequently asked(6)

What is CVE-2014-0502?
CVE-2014-0502 is a critical vulnerability published on February 21, 2014. Double free vulnerability in Adobe Flash Player before 11.7.700.269 and 11.8.x through 12.0.x before 12.0.0.70 on Windows and Mac OS X and before 11.2.202.341 on Linux, Adobe AIR before 4.0.0.1628 on Android, Adobe AIR SDK before 4.0.0.1628, and Adobe AIR SDK & Compiler before 4.0.0.1628 allows…
When was CVE-2014-0502 disclosed?
CVE-2014-0502 was first published in the National Vulnerability Database on February 21, 2014, with the most recent update on April 21, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2014-0502 actively exploited?
Yes. CISA added CVE-2014-0502 to the Known Exploited Vulnerabilities catalog on September 17, 2024, 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-2014-0502?
CVE-2014-0502 has a CVSS v3 base score of 8.8 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.0.
Which products are affected by CVE-2014-0502?
CVE-2014-0502 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-2014-0502?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2014-0502, 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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