CVE-2026-63927 and is rated High severity with a CVSS score of 7.8. It is not in the current CISA KEV record we collected. That does not prove exploitation has not occurred.
CISA KEVNot listedBased on the latest collected catalog
EPSS0.2%Estimated 30-day exploitation probability
Ransomware useNot markedCISA KEV ransomware field
Threat actors0Source-linked actor relationships
Overview
What is CVE-2026-63927?
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.