CVE-2013-3346

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 2022-03-03), 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: 79%CVSS: 9.8Exploit: cisa kev · ssvc active · Metasploit · Exploit-DB (verified) · epss top5pct · epss high · public exploitExposed: 0

A fix is available — apply it.

Adobe Reader and Acrobat 9.x before 9.5.5, 10.x before 10.1.7, and 11.x before 11.0.03 allow attackers to execute arbitrary code or cause a denial of service (memory corruption) via unspecified vectors, a different vulnerability than CVE-2013-2718, CVE-2013-2719, CVE-2013-2720, CVE-2013-2721, CVE-2013-2722, CVE-2013-2723, CVE-2013-2725, CVE-2013-2726, CVE-2013-2731, CVE-2013-2732, CVE-2013-2734, CVE-2013-2735, CVE-2013-2736, CVE-2013-3337, CVE-2013-3338, CVE-2013-3339, CVE-2013-3340, and CVE-2013-3341.

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
79%
EPSS %ILE
100%
KEV
⚠ Exploited

Published

August 30, 2013

Last Modified

April 21, 2026

Advisory Details (2)

Auto-updated Jul 27, 2026
⚠️ Active exploitation confirmed. Patch available. Sources: 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-2013-3346
generic🔴 Active Exploitation

Acroread bugs should be UI:R and Automatable:No · Issue #199 · cisagov/vulnrichment · GitHub

https://github.com/cisagov/vulnrichment/issues/199

Patch Availability(1)

Vendor / EcosystemFixed in / PatchReleasedSource
redhatacroread-0:9.5.5-1.el6_42013-05-15redhat

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

(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 59× in last 7d / 330× 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 696 total refreshes for this CVE.

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

Publicly available exploits

(3 references)

Working exploit code is in the public domain (2 Metasploit modules) (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Exploit-DBEDB-30394✓ verified
    First seen Dec 17, 2013

    Adobe Reader ToolButton - Use-After-Free (Metasploit)

    Open source ↗
  • Metasploitexploit/windows/browser/adobe_toolbutton✓ verified
    First seen Aug 8, 2013

    Adobe Reader ToolButton Use After Free

    Open source ↗
  • Metasploitexploit/windows/fileformat/adobe_toolbutton✓ verified
    First seen Aug 8, 2013

    Adobe Reader ToolButton Use After Free

    Open source ↗

Related CVEs(same vendor + same CWE)

Frequently asked(6)

What is CVE-2013-3346?
CVE-2013-3346 is a critical vulnerability published on August 30, 2013. Adobe Reader and Acrobat 9.x before 9.5.5, 10.x before 10.1.7, and 11.x before 11.0.03 allow attackers to execute arbitrary code or cause a denial of service (memory corruption) via unspecified vectors, a different vulnerability than CVE-2013-2718, CVE-2013-2719, CVE-2013-2720, CVE-2013-2721,…
When was CVE-2013-3346 disclosed?
CVE-2013-3346 was first published in the National Vulnerability Database on August 30, 2013, 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-2013-3346 actively exploited?
Yes. CISA added CVE-2013-3346 to the Known Exploited Vulnerabilities catalog on March 3, 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-2013-3346?
CVE-2013-3346 has a CVSS v3 base score of 9.8 (NVD).
Which products are affected by CVE-2013-3346?
CVE-2013-3346 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-2013-3346?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2013-3346, 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.

Dependency Blast Radius

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