CVE-2026-63927

HIGHPre-NVD 7.87.8—
EchelonGraph scoreMEDIUM confidence

Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2026-07-19. the CNA's CVSS baseline 7.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cna:linux, epss, ghsa
Trending — 4 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

A fix is available — apply it.

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

usb: dwc2: Fix use after free in debug code

We're not allowed to dereference "urb" after calling usb_hcd_giveback_urb() so save the urb->status ahead of time.

CVSS v3
7.8
EG Score
7.8(medium)
EG Risk
40(Track)
EG Risk 40/100SSVC: 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%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
6%
KEV
Not listed

Published

July 19, 2026

Last Modified

August 5, 2026

Advisory Details (8)

Auto-updated Jul 21, 2026
No patch confirmed yet.
generic

usb: dwc2: Fix use after free in debug code - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/d5fc183ed614aeba6779cc992325be560f9a4451
generic

usb: dwc2: Fix use after free in debug code - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/a15eeeceb94cbc04edef395e4d777ff554bdc27d
generic

usb: dwc2: Fix use after free in debug code - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/9fe1d84f7e2cf33634e8afb7f4b7f8de182dd913
generic

usb: dwc2: Fix use after free in debug code - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/9ea06a3fbf9f16e0d98c52cb3b99642be15ec281
generic

usb: dwc2: Fix use after free in debug code - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/84ea928ed584756e59c6ac09736f12d1db95ded0
generic

usb: dwc2: Fix use after free in debug code - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/6d0b79d1d1118145e48a68192b6d733e39387053
generic

usb: dwc2: Fix use after free in debug code - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/63b0dafa676aad4d0c3f01a61ad8e2990907660c
generic

usb: dwc2: Fix use after free in debug code - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/0584af4fe40fa5e254a05d69ce658746de641708

Vendor Advisories for CVE-2026-63927(1)

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

Patch Availability(5)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntulinux-tools-oracle-7.0 (7.0.0-1008.8) @ resolute2026-08-30ubuntu
ubuntulinux-tools-azure-fde-7.0 (7.0.0-1009.9) @ resolute2026-08-30ubuntu
ubuntulinux-tools-raspi-realtime-7.0 (7.0.0-1015.15) @ resolute2026-08-30ubuntu
ubuntulinux-tools-nvidia-hwe-24.04-edge (7.0.0-1016.16) @ resolute2026-08-30ubuntu
ubuntulinux-tools-nvidia-hwe-26.04 (7.0.0-2016.16) @ resolute2026-08-30ubuntu

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.

Affected Packages

(4 across 4 ecosystems)
Debian:11(1)
PackageVulnerable rangeFixed inDependents
linux5.10.103-1 ... 5.10.92-2 (54 versions)5.10.259-1—
Debian:12(1)
PackageVulnerable rangeFixed inDependents
linux6.1.106-1 ... 6.1.99-1 (53 versions)6.1.176-1—
Debian:13(1)
PackageVulnerable rangeFixed inDependents
linux6.12.38-1 ... 6.12.94-1~bpo12+1 (27 versions)6.12.94-1—
Debian:14(1)
PackageVulnerable rangeFixed inDependents
linux6.12.100-1 ... 7.0.9-1~bpo13+1 (138 versions)7.0.12-1—

All Vendor Advisories

(5)

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 29× in last 7d / 163× 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 208 total refreshes for this CVE.

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

Related CVEs(same vendor)

Frequently asked(5)

What is CVE-2026-63927?
CVE-2026-63927 is a high vulnerability published on July 19, 2026. In the Linux kernel, the following vulnerability has been resolved: usb: dwc2: Fix use after free in debug code We're not allowed to dereference "urb" after calling usbhcdgiveback_urb() so save the urb->status ahead of time.
When was CVE-2026-63927 disclosed?
CVE-2026-63927 was first published in the National Vulnerability Database on July 19, 2026, with the most recent update on August 5, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-63927 actively exploited?
CVE-2026-63927 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 94.2% of all scored CVEs.
What is the CVSS score of CVE-2026-63927?
CVE-2026-63927 has a CVSS v4.0 base score of 7.8 (CNA self-assessment; NVD's own analysis pending).
How do I remediate CVE-2026-63927?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-63927, 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

See which npm, PyPI, Go, and Maven packages are affected by CVE-2026-63927

Explore →

Is Your Infrastructure Affected by CVE-2026-63927?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs