CVE-2015-8651

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 2022-05-25), 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: 68%CVSS: 8.8Exploit: cisa kev · ssvc active · epss top5pct · epss highExposed: 0

A fix is available — apply it.

Integer overflow in Adobe Flash Player before 18.0.0.324 and 19.x and 20.x before 20.0.0.267 on Windows and OS X and before 11.2.202.559 on Linux, Adobe AIR before 20.0.0.233, Adobe AIR SDK before 20.0.0.233, and Adobe AIR SDK & Compiler before 20.0.0.233 allows attackers to execute arbitrary code via unspecified vectors.

CVSS v3
8.8
EG Score
9.0(high)
EG Risk
81(Attend)
EG Risk 81/100SSVC: 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
Severity90% × 45%
Exploitation100% × 40%
Automatability0% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
68%
EPSS %ILE
99%
KEV
⚠ Exploited

Published

December 28, 2015

Last Modified

April 22, 2026

Patch Availability(1)

Vendor / EcosystemFixed in / PatchReleasedSource
redhatflash-plugin-0:11.2.202.559-1.el6_72015-12-29redhat

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 96× in last 7d / 397× 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 1,442 total refreshes for this CVE.

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

Frequently asked(6)

What is CVE-2015-8651?
CVE-2015-8651 is a critical vulnerability published on December 28, 2015. Integer overflow in Adobe Flash Player before 18.0.0.324 and 19.x and 20.x before 20.0.0.267 on Windows and OS X and before 11.2.202.559 on Linux, Adobe AIR before 20.0.0.233, Adobe AIR SDK before 20.0.0.233, and Adobe AIR SDK & Compiler before 20.0.0.233 allows attackers to execute arbitrary code…
When was CVE-2015-8651 disclosed?
CVE-2015-8651 was first published in the National Vulnerability Database on December 28, 2015, with the most recent update on April 22, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2015-8651 actively exploited?
Yes. CISA added CVE-2015-8651 to the Known Exploited Vulnerabilities catalog on May 25, 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-2015-8651?
CVE-2015-8651 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-2015-8651?
CVE-2015-8651 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-2015-8651?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2015-8651, 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.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2015-8651

Explore →

Is Your Infrastructure Affected by CVE-2015-8651?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.