CVE-2026-46062

HIGHPre-NVD 7.87.8—
EchelonGraph scoreMEDIUM confidence

Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2026-05-27. a secondary CVSS source baseline 7.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 4 sources updated this week
7.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 7.8Exploit: NoneExposed: 0

A fix is available — apply it.

In the Linux kernel, the following vulnerability has been resolved:

ntfs3: fix integer overflow in run_unpack() volume boundary check

The volume boundary check lcn + len > sbi->used.bitmap.nbits uses raw addition which can wrap around for large lcn and len values, bypassing the validation. Use check_add_overflow() as is already done for the adjacent prev_lcn + dlcn and vcn64 + len checks added by commit 3ac37e100385 ("ntfs3: Fix integer overflow in run_unpack()").

Found by fuzzing with a source-patched harness (LibAFL + QEMU).

CVSS v3
7.8
EG Score
7.8(medium)
EPSS
3.9%
KEV
Not listed

Published

May 27, 2026

Last Modified

June 16, 2026

Advisory Details (7)

Auto-updated Jun 4, 2026
No patch confirmed yet.
generic

ntfs3: fix integer overflow in run_unpack() volume boundary check - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/f1af27cec07a9fd0847166bdb23c99e86b05bfdc
generic

ntfs3: fix integer overflow in run_unpack() volume boundary check - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/e73cd5aed6b15e55c1c47577bdb473b5e88d6a69
generic

ntfs3: fix integer overflow in run_unpack() volume boundary check - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/a954061b334ec67c79ae9d0cadd83fa521396487
generic

ntfs3: fix integer overflow in run_unpack() volume boundary check - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/984a415f019536ea2d24de9010744e5302a9a948
generic

ntfs3: fix integer overflow in run_unpack() volume boundary check - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/6175d09c23bec4b60860ee9a0170308ff4b56e10
generic

ntfs3: fix integer overflow in run_unpack() volume boundary check - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/60dab3e2931f3d792438a77a6cb0cb731c43300b
generic

ntfs3: fix integer overflow in run_unpack() volume boundary check - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/424858f9a048057bb8f834bfe03d18f5e477e747

Vendor Advisories for CVE-2026-46062(2)

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

Patch Availability(4)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntulinux-tools-oem-7.0 (7.0.0-1008.8) @ resolute2026-07-11ubuntu
ubuntulinux-virtual-hwe-26.04-edge (7.0.0-27.27) @ resolute2026-07-11ubuntu
ubuntulinux-tools-raspi-realtime-7.0 (7.0.0-1014.14) @ resolute2026-07-11ubuntu
ubuntulinux-tools-nvidia-hwe-24.04-edge (7.0.0-1013.13) @ resolute2026-07-11ubuntu

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.

Additional Vendor Advisories

(4)

Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.

Data Freshness Timeline

(refreshed 10× in last 7d / 81× 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 190 total refreshes for this CVE.

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

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2026-46062?
CVE-2026-46062 is a high vulnerability published on May 27, 2026. In the Linux kernel, the following vulnerability has been resolved: ntfs3: fix integer overflow in run_unpack() volume boundary check The volume boundary check lcn + len > sbi->used.bitmap.nbits uses raw addition which can wrap around for large lcn and len values, bypassing the validation. Use…
When was CVE-2026-46062 disclosed?
CVE-2026-46062 was first published in the National Vulnerability Database on May 27, 2026, with the most recent update on June 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-46062 actively exploited?
CVE-2026-46062 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 3.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-46062?
CVE-2026-46062 has a CVSS v3 base score of 7.8 (NVD).
How do I remediate CVE-2026-46062?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-46062, 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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