CVE-2015-7645

CRITICALNVD 7.89.0▲
EchelonGraph scoreHIGH confidence

Score elevated to 9.0 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 7.8 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: 7.8Exploit: cisa kev · ssvc active · kev ransomware · Exploit-DB (verified) · epss top5pct · epss high · public exploitExposed: 0

A fix is available — apply it.

Adobe Flash Player 18.x through 18.0.0.252 and 19.x through 19.0.0.207 on Windows and OS X and 11.x through 11.2.202.535 on Linux allows remote attackers to execute arbitrary code via a crafted SWF file, as exploited in the wild in October 2015.

CVSS v3
7.8
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

October 15, 2015

Last Modified

April 22, 2026

Advisory Details (5)

Auto-updated May 19, 2026
No patch confirmed yet.
generic
http://www.securitytracker.com/id/1033850
generic
http://www.securityfocus.com/bid/77081
generic
http://rhn.redhat.com/errata/RHSA-2015-2024.html
generic
http://rhn.redhat.com/errata/RHSA-2015-1913.html
generic

Research, News, and Perspectives | Trend Micro (US)

http://blog.trendmicro.com/trendlabs-security-intelligence/new-adobe-flash-zero-day-used-in-pawn-storm-campaign/

Patch Availability(2)

Vendor / EcosystemFixed in / PatchReleasedSource
redhatflash-plugin-0:11.2.202.548-1.el52015-11-11redhat
redhatflash-plugin-0:11.2.202.540-1.el6_72015-10-16redhat

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

(2)

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 / 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 1,052 total refreshes for this CVE.

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

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-38490✓ verified
    First seen Oct 19, 2015

    Adobe Flash - 'IExternalizable.writeExternal' Type Confusion

    Open source ↗

Frequently asked(6)

What is CVE-2015-7645?
CVE-2015-7645 is a critical vulnerability published on October 15, 2015. Adobe Flash Player 18.x through 18.0.0.252 and 19.x through 19.0.0.207 on Windows and OS X and 11.x through 11.2.202.535 on Linux allows remote attackers to execute arbitrary code via a crafted SWF file, as exploited in the wild in October 2015.
When was CVE-2015-7645 disclosed?
CVE-2015-7645 was first published in the National Vulnerability Database on October 15, 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-2015-7645 actively exploited?
Yes. CISA added CVE-2015-7645 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-2015-7645?
CVE-2015-7645 has a CVSS v3 base score of 7.8 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.0.
Which products are affected by CVE-2015-7645?
CVE-2015-7645 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-2015-7645?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2015-7645, 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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