CVE-2009-1862

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 2022-06-08), 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 — 4 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: 21%CVSS: 7.8Exploit: cisa kev · ssvc active · epss top5pctExposed services: Not assessed

A fix is available — apply it.

Unspecified vulnerability in Adobe Reader and Acrobat 9.x through 9.1.2, and Adobe Flash Player 9.x through 9.0.159.0 and 10.x through 10.0.22.87, allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via (1) a crafted Flash application in a .pdf file or (2) a crafted .swf file, related to authplay.dll, as exploited in the wild in July 2009.

CVSS v3
7.8
EG Score
9.0CRITICALhigh confidence
EG Risk
81
EG Risk 81/100CISA 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
Severity90% × 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
21%
EPSS %ILE
97th
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

July 23, 2009

Last Modified

April 22, 2026

Advisory Details (6)

Auto-updated May 19, 2026
Patch available.
generic

Adobe products: Multiple vulnerabilities (GLSA 200908-04) — Gentoo security

http://security.gentoo.org/glsa/glsa-200908-04.xml
generic

About Secunia Research | Flexera

http://secunia.com/advisories/36701
generic

About Secunia Research | Flexera

http://secunia.com/advisories/36374
generic

About Secunia Research | Flexera

http://secunia.com/advisories/36193
generic

CNET: Product reviews, advice, how-tos and the latest news

http://news.cnet.com/8301-27080_3-10293389-245.html
generic

SANS.edu Internet Storm Center - SANS Internet Storm Center

http://isc.sans.org/diary.html?storyid=6847

Patch Availability(2)

Vendor / EcosystemFix (by version range) / PatchReleasedSource
redhatflash-plugin-0:10.0.32.18-2.el52009-07-31redhat
redhatflash-plugin-0:9.0.246.0-2.el42009-07-31redhat

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(2)

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

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 103× in last 7d / 443× 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 1,929 total refreshes for this CVE.

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

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Frequently asked(6)

What is CVE-2009-1862?
CVE-2009-1862 is a critical vulnerability published on July 23, 2009. Unspecified vulnerability in Adobe Reader and Acrobat 9.x through 9.1.2, and Adobe Flash Player 9.x through 9.0.159.0 and 10.x through 10.0.22.87, allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via (1) a crafted Flash application in a .pdf file or…
When was CVE-2009-1862 disclosed?
CVE-2009-1862 was first published on July 23, 2009, 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-2009-1862 actively exploited?
Yes. CISA added CVE-2009-1862 to the Known Exploited Vulnerabilities catalog on June 8, 2022, affecting Adobe Acrobat and Reader, 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-2009-1862?
CVE-2009-1862 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 (CRITICAL).
Which products are affected by CVE-2009-1862?
CVE-2009-1862 affects Adobe Acrobat and Reader, Flash Player.
How do I remediate CVE-2009-1862?
A fix for CVE-2009-1862 is available: update to the fixed version the vendor names in its advisory.

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