CVE intelligence
CVE-2026-63963
Vulnerability intelligence
Published Jul 19, 2026 Sources checked Oct 28, 2026
N/A CVSS not listed Score unavailable
What this means
Review the available evidence
CVE-2026-63963. It is not in the current CISA KEV record we collected. That does not prove exploitation has not occurred.
CISA KEV Not listed Based on the latest collected catalog
EPSS 0.2% Estimated 30-day exploitation probability
Ransomware use Not marked CISA KEV ransomware field
Threat actors 0 Source-linked actor relationships
Overview
What is CVE-2026-63963? In the Linux kernel, the following vulnerability has been resolved:
usb: typec: tcpm: validate VDO count in Discover Identity ACK handlers
Properly validate the count passed from a device when calling svdm_consume_identity() or svdm_consume_identity_sop_prime() as the device-controlled value could index off of the static arrays, which could leak data.
Source: NVD
Sources Check the original records SecurityAlert keeps CVSS, KEV, EPSS, vendor guidance, and actor links separate so you can see where each fact came from.