CVE-2026-68091: HID: wacom: stop hardware after post-start probe failures

mediumCVSS 5.5CVE-2026-68091

CSIRTS triage

vendor: Linux product: Linux Kernel Memory corruption

What: The Wacom HID driver does not stop hardware after post-start probe failures, leaving hardware in active state.
Who is affected: Systems with Wacom tablet or stylus hardware using the HID driver in the Linux kernel.
Urgency: Medium severity (CVSS 5.5) and not yet exploited; fix to prevent hardware malfunction on probe failures.
Action: Apply the latest Linux kernel patch that stops hardware after post-start probe failures in the Wacom HID driver.

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: 2026-08-11
Exploitation: Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-68091

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.

Low exploitation riskCVE-2026-680910.27% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 19% of all EPSS-scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-68091	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

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

Recent advisories for HID

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.

highCVE-2026-74551: In the Linux kernel, the following vulnerability has been resolved: hwmon: (nzxt-smart2) DMA-a…nvd · 2026-08-15
highCVE-2026-74507: In the Linux kernel, the following vulnerability has been resolved: Bluetooth: HIDP: validate …nvd · 2026-08-15
highCVE-2026-72352: In the Linux kernel, the following vulnerability has been resolved: HID: bpf: Fix hid_bpf_get_…nvd · 2026-08-15
unknownCVE-2026-68443: In the Linux kernel, the following vulnerability has been resolved: hwmon: (gigabyte_waterforc…nvd · 2026-08-12
mediumCVE-2026-68361: hwmon: (corsair-psu) Stop device IO before calling hid_hw_stopmsrc · 2026-08-11
criticalCVE-2026-68360: hwmon: (corsair-cpro) Stop device IO before calling hid_hw_stopmsrc · 2026-08-11