CVE-2018-15982

CRITICALNVD 7.89.8▲
EchelonGraph scoreHIGH confidence

Score elevated to 9.8 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2022-02-15), 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 — 3 sources updated this weekExploited in the wild
9.8EG
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS PROB: 90%CVSS: 7.8Exploit: cisa kev · ssvc active · kev ransomware · epss top5pct · epss high · public exploitExposed services: Not assessed

A fix is available — apply it.

Flash Player versions 31.0.0.153 and earlier, and 31.0.0.108 and earlier have a use after free vulnerability. Successful exploitation could lead to arbitrary code execution.

CVSS v3
7.8
EG Score
9.8CRITICALhigh confidence
EG Risk
84
EG Risk 84/100CISA SSVC

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%
Exploitation100% × 40%
Automatability0% × 15%
CISA SSVC: Track at low, Attend at medium and Act at high mission impact.
Action: A fix is available. Apply it within your standard update timelines at low, sooner than that at medium and as soon as possible at high mission impact.
EPSS PROB
90%
EPSS %ILE
99th
KEV
⚠ Exploited

CISA SSVCTrack at low, Attend at medium and Act at high mission impact.

A fix is available. Apply it within your standard update timelines at low, sooner than that at medium and as soon as possible at high mission impact.

Exploitation active (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact total (CISA Vulnrichment). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

January 18, 2019

Last Modified

October 1, 2026

Advisory Details (5)

Auto-updated Jun 4, 2026
⚠️ Active exploitation confirmed. Patch available. Sources: redhat, cisa.
cisa Patch Available🔴 Active Exploitation

Known Exploited Vulnerabilities Catalog | CISA

Known Exploited Vulnerabilities Catalog | CISA. Listed in CISA Known Exploited Vulnerabilities catalog.

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-15982
generic

CVE-2018-15982 requires user interaction · Issue #195 · cisagov/vulnrichment · GitHub

https://github.com/cisagov/vulnrichment/issues/195
generic🟡 PoC Available

Adobe Flash ActiveX Plugin 28.0.0.137 - Remote Code Execution (PoC) - Windows local Exploit

https://www.exploit-db.com/exploits/46051/
redhat Patch Available

Affected: Red Hat Enterprise Linux 6 Supplementary.

https://access.redhat.com/errata/RHSA-2018:3795
generic
http://www.securityfocus.com/bid/106116

Patch Availability(1)

Vendor / EcosystemFix (by version range) / PatchReleasedSource
redhatflash-plugin-0:32.0.0.101-1.el6_102018-12-06redhat

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 93× 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 1,648 total refreshes for this CVE.

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

Publicly available exploits

(7 references)

Working exploit code is in the public domain (6 GitHub PoCs) (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Exploit-DBEDB-46051
    First seen Dec 24, 2018

    Adobe Flash ActiveX Plugin 28.0.0.137 - Remote Code Execution (PoC)

    Open source ↗
  • GitHub PoCSyFi/CVE-2018-15982
    First seen Dec 20, 2018

    Flash 2018-15982 UAF

    Open source ↗
  • GitHub PoCjas502n/CVE-2018-15982_EXP_IE
    First seen Dec 12, 2018

    CVE-2018-15982_EXP_IE

    Open source ↗
  • GitHub PoCscanfsec/CVE-2018-15982
    First seen Dec 12, 2018

    Aggressor Script to launch IE driveby for CVE-2018-15982.

    Open source ↗
  • GitHub PoCkphongagsorn/adobe-flash-cve2018-15982
    First seen Dec 11, 2018

    Script and metasploit module for CVE-2018-15982

    Open source ↗
  • GitHub PoCRidter/CVE-2018-15982_EXP
    First seen Dec 10, 2018

    exp of CVE-2018-15982

    Open source ↗
  • GitHub PoCOrmicron/CVE-2018-15982_PoC
    First seen Dec 6, 2018

    CVE-2018-15982_PoC

    Open source ↗

Related CVEs(same CWE)

Frequently asked(6)

What is CVE-2018-15982?
CVE-2018-15982 is a critical vulnerability published on January 18, 2019. Flash Player versions 31.0.0.153 and earlier, and 31.0.0.108 and earlier have a use after free vulnerability. Successful exploitation could lead to arbitrary code execution.
When was CVE-2018-15982 disclosed?
CVE-2018-15982 was first published on January 18, 2019, with the most recent update on October 1, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2018-15982 actively exploited?
Yes. CISA added CVE-2018-15982 to the Known Exploited Vulnerabilities catalog on February 15, 2022, affecting Adobe Flash Player. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate attention. A fix is available. Apply it.
What is the CVSS score of CVE-2018-15982?
CVE-2018-15982 has a CVSS v3 base score of 7.8 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.8 (CRITICAL).
Which products are affected by CVE-2018-15982?
CVE-2018-15982 affects Adobe Flash Player.
How do I remediate CVE-2018-15982?
A fix for CVE-2018-15982 is available: update to the fixed version the vendor names in its advisory.

Dependency Blast Radius

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