CVE intelligence
CVE-2026-63897
Vulnerability intelligence
Published Jul 19, 2026Sources checked Oct 8, 2026
N/ACVSS not listedScore unavailable
What this means
Review the available evidence
CVE-2026-63897. 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-2026-63897?
In the Linux kernel, the following vulnerability has been resolved:
USB: serial: mct_u232: fix missing interrupt-in transfer sanity check
Add the missing sanity check on the size of interrupt-in transfers to avoid parsing stale or uninitialised slab data (and leaking it to user space).
Source: NVD