CVE-2011-2462

CRITICALNVD 9.89.8—
EchelonGraph scoreHIGH confidence

Score elevated to 9.8 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 9.8 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
9.8EG
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS PROB: 87%CVSS: 9.8Exploit: cisa kev · ssvc active · Metasploit · Exploit-DB (verified) · epss top5pct · epss high · public exploitExposed: 0

A fix is available — apply it.

Unspecified vulnerability in the U3D component in Adobe Reader and Acrobat 10.1.1 and earlier on Windows and Mac OS X, and Adobe Reader 9.x through 9.4.6 on UNIX, allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via unknown vectors, as exploited in the wild in December 2011.

CVSS v3
9.8
EG Score
9.8(high)
EG Risk
84(Attend)
EG Risk 84/100SSVC: 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
Severity98% × 45%
Exploitation100% × 40%
Automatability0% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
87%
EPSS %ILE
100%
KEV
⚠ Exploited

Published

December 7, 2011

Last Modified

April 21, 2026

Advisory Details (2)

Auto-updated Aug 19, 2026
⚠️ Active exploitation confirmed. No patch confirmed yet.
generic

Support

http://www.redhat.com/support/errata/RHSA-2012-0011.html
generic🔴 Active Exploitation

Adobe Security Advisories: APSA11-04 - Security Advisory for Adobe Reader and Acrobat

http://www.adobe.com/support/security/advisories/apsa11-04.html

Patch Availability(1)

Vendor / EcosystemFixed in / PatchReleasedSource
redhatacroread-0:9.4.7-1.el52012-01-10redhat

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 98× in last 7d / 365× 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 1,118 total refreshes for this CVE.

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

Publicly available exploits

(2 references)

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

  • Exploit-DBEDB-18366✓ verified
    First seen Jan 14, 2012

    Adobe Reader - U3D Memory Corruption (Metasploit)

    Open source ↗
  • Metasploitexploit/windows/fileformat/adobe_reader_u3d✓ verified
    First seen Dec 6, 2011

    Adobe Reader U3D Memory Corruption Vulnerability

    Open source ↗

Frequently asked(6)

What is CVE-2011-2462?
CVE-2011-2462 is a critical vulnerability published on December 7, 2011. Unspecified vulnerability in the U3D component in Adobe Reader and Acrobat 10.1.1 and earlier on Windows and Mac OS X, and Adobe Reader 9.x through 9.4.6 on UNIX, allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via unknown vectors, as exploited in…
When was CVE-2011-2462 disclosed?
CVE-2011-2462 was first published in the National Vulnerability Database on December 7, 2011, with the most recent update on April 21, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2011-2462 actively exploited?
Yes. CISA added CVE-2011-2462 to the Known Exploited Vulnerabilities catalog on June 8, 2022, affecting Adobe Reader and Acrobat. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2011-2462?
CVE-2011-2462 has a CVSS v3 base score of 9.8 (NVD).
Which products are affected by CVE-2011-2462?
CVE-2011-2462 affects Adobe Reader and Acrobat. 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-2011-2462?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2011-2462, 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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