CVE-2026-16463

HIGHPre-NVD 7.87.8—
EchelonGraph scoreMEDIUM confidence

Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2026-07-29. a secondary CVSS source baseline 7.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
7.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.8Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

A maliciously crafted DXF file, when parsed through Autodesk AutoCAD, can force a Heap-Based Overflow vulnerability. A malicious actor can leverage this vulnerability to cause a crash, read sensitive data, or execute arbitrary code in the context of the current process.

CVSS v3
7.8
EG Score
7.8(medium)
EG Risk
35(Track)
EG Risk 35/100SSVC: Track

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
Severity78% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
9%
KEV
Not listed

Published

July 29, 2026

Last Modified

September 2, 2026

References (3)

Vendor Advisories for CVE-2026-16463(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 17× in last 7d / 90× 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 186 total refreshes for this CVE.

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

Related CVEs

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Frequently asked(5)

What is CVE-2026-16463?
CVE-2026-16463 is a high vulnerability published on July 29, 2026. A maliciously crafted DXF file, when parsed through Autodesk AutoCAD, can force a Heap-Based Overflow vulnerability. A malicious actor can leverage this vulnerability to cause a crash, read sensitive data, or execute arbitrary code in the context of the current process.
When was CVE-2026-16463 disclosed?
CVE-2026-16463 was first published in the National Vulnerability Database on July 29, 2026, with the most recent update on September 2, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-16463 actively exploited?
CVE-2026-16463 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 91.1% of all scored CVEs.
What is the CVSS score of CVE-2026-16463?
CVE-2026-16463 has a CVSS v3 base score of 7.8 (NVD).
How do I remediate CVE-2026-16463?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-16463, 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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