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CVE-2026-63960: usb: typec: wcove: don't write past struct pd_message in wcove_read_rx_buffer()

mediumCVSS 5.5CVE-2026-63960

CSIRTS triage

vendor: Linuxproduct: USB Type-COther
What
The vulnerability involves writing past the struct pd_message in wcove_read_rx_buffer, which can lead to memory corruption.
Who is affected
Deployments using the USB Type-C subsystem in the Linux kernel.
Urgency
Remediation is necessary due to a medium CVSS score of 5.5, which indicates a moderate risk.
Action
Apply the kernel patch that addresses CVE-2026-63960.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
Microsoft Security Response Center (INTL · vendor-psirt · site)
Severity
medium — CVSS 5.5
Published
2026-07-14
Exploitation
Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-63960

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2026-63960coverage & exploitation statusNVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

Recent advisories for usb

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

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