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

Advisory Details (5)

Auto-updated May 2, 2026
No patch confirmed yet.
generic
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05390722
generic
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05385680
generic
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05356388
generic
http://www.securityfocus.com/bid/79705
generic
http://rhn.redhat.com/errata/RHSA-2015-2697.html

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 62× in last 7d / 355× 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 739 total refreshes for this CVE.

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

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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.

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