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CVE-2026-68091· NVD / CVE Program· CNA Linux

HID: wacom: stop hardware after post-start probe failures

Noroxi assessment

Priority: Monitor (action score 35/100)

  • The sources we track (CISA KEV, Exploit-DB, Metasploit, Nuclei, GitHub) show no public exploit code or exploitation in the wild.
  • Probability of exploitation in the next 30 days: 0.26% (FIRST EPSS).
  • Someone on the same network segment can trigger it. No account or password is required. No user action is required. No special conditions are required; it is repeatable.
  • Fixed version: Linux Linux 1a1ebdcb56ae58a0ee2c54dd15d75121e30424e3, 3e6473a4f0596182acdda5219b4bebfbee76514f, 4.20; azl3 kernel 6.6.143.1-1 on Azure Linux 3.0 6.6.150.1-1.
  • Mentioned 1 time in Turkish national cyber security advisories (siberguvenlik.gov.tr).

Low priority for now. Upgrade to Linux Linux 1a1ebdcb56ae58a0ee2c54dd15d75121e30424e3, 3e6473a4f0596182acdda5219b4bebfbee76514f, 4.20; azl3 kernel 6.6.143.1-1 on Azure Linux 3.0 6.6.150.1-1 or later.

Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it

Primary sources: NVD · CVE.org · FIRST EPSS

In the Linux kernel, the following vulnerability has been resolved: HID: wacom: stop hardware after post-start probe failures wacom_parse_and_register() starts HID hardware before registering inputs and initializing pad LEDs/remotes. Those later steps can fail, but their error paths currently release Wacom resources without stopping the HID hardware. Route post-hid_hw_start() failures through hid_hw_stop() before releasing driver resources. This issue was identified during our ongoing static-analysis research while reviewing kernel code.

HighCVSS 8.8 · v3.1—No exploit Fix available
Published
Aug 10, 2026
Updated
Oct 19, 2026
EPSS
0.2% · 17th percentile

Report tools

JSON

Action score

35

Monitor

Low priority for now.

CVSS
35 / 40 · 8.8 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.2%

CISA SSVC decision

Exploitation
none
Automatable
no
Technical impact
total

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD
—
CNA · Linux
8.8
NVD has not scored this yet; the score shown is the CNA’s.

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Get told when this record changes

  • Not in KEV: no record of exploitation in the wild
  • No public exploit code on record
  • A fix has been released

If any of these changes, we'll tell you in the daily email digest.

Follow CVE-2026-68091

When you'll hear from us

  • when it enters CISA KEV
  • when exploit code appears or is weaponized
  • when the record is updated (including a fixed version)
  • when EPSS rises 20 points in a week

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Noroxi analysis

What does it mean in your environment?

The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.

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Affected systems

Is your version affected?

Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.

—

Versions reported by the vendor

Affected version ranges reported by the assigning authority (Linux). Independent of NVD's CPE analysis and usually ahead of it.

  • Linux Linux

    • d943536197c1a05e377452af4ec7942e11d018f4, dbaca8fa9ec2c5aa55ec515686ce3b9007554eab, 79187e8099a9feb550916dbfb962497522022b6d, 6.8affected
    • f304eb483393f135ab479d02da6f5dc7d9b51cd6 and later · before 5a7ca028facf04921b2c1c2e4d1ee7f282510555affected · git
    • 853307924a9003b3142b5253b1caa6625fbad9fc and later · before 3e6473a4f0596182acdda5219b4bebfbee76514faffected · git
    • e5c6c8ef3e4d3a88407404daafbf2c6be62f2185 and later · before 46d8b8c85ae0589fb85746a64e8908160e52aac3affected · git
    • fc41101a94b11cd0d5ad8e213b2b6965f248d653 and later · before 1a1ebdcb56ae58a0ee2c54dd15d75121e30424e3affected · git
    • c1d6708bf0d3dd976460d435373cf5abf21ce258 and later · before 75eb2173b63ab41c24d80cd641af18f3c117a267affected · git
    • c1d6708bf0d3dd976460d435373cf5abf21ce258 and later · before 416095e9a6037b4b39fcadd0d2bd77a8852211ecaffected · git
    • c1d6708bf0d3dd976460d435373cf5abf21ce258 and later · before e2cc711a9df37f359159b21db56cea9c21f58a9caffected · git
    • c1d6708bf0d3dd976460d435373cf5abf21ce258 and later · before ec2612b8ad9e642596db011dd8b6568ef1edeaa1affected · git
    • 5.10.210 and later · before 5.10.261affected · semver

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

EcosystemPackageAffected rangeFix
Debian:12linuxbefore 6.1.180-16.1.180-1
Debian:13linuxbefore 6.12.96-16.12.96-1
Debian:14linuxbefore 7.1.4-17.1.4-1

Same product

linux: all records

Other highest-scoring records for the same primary product.

  • CVE-2026-74705udp: fix potential use-after-free in tunnel segmentation
    40Plan
  • CVE-2026-74612veth: fix skb length accounting after XDP frag adjustment
    40Plan
  • CVE-2026-74475vxlan: use neigh_ha_snapshot() in route_shortcircuit()
    40Plan

Published before and after this one in the same product

  • ← EarlierCVE-2026-68083Aug 10, 2026 · ksmbd: fix path resolution in ksmbd_vfs_kern_path_create
    36Monitor
  • ← EarlierCVE-2026-68085Aug 10, 2026 · Bluetooth: hci_uart: clear HCI_UART_SENDING when write_work is canceled
    32Monitor
  • Later →CVE-2026-68096Aug 10, 2026 · audit: fix recursive locking deadlock in audit_dupe_exe()
    30Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
Linux Linux1a1ebdcb56ae58a0ee2c54dd15d75121e30424e3Vendor (CNA)
Linux Linux3e6473a4f0596182acdda5219b4bebfbee76514fVendor (CNA)
Linux Linux4.20Vendor (CNA)
Linux Linux416095e9a6037b4b39fcadd0d2bd77a8852211ecVendor (CNA)
Linux Linux46d8b8c85ae0589fb85746a64e8908160e52aac3Vendor (CNA)
Linux Linux5.10.261Vendor (CNA)
Linux Linux5.15.212Vendor (CNA)
Linux Linux5.5Vendor (CNA)
Linux Linux5a7ca028facf04921b2c1c2e4d1ee7f282510555Vendor (CNA)
Linux Linux6.1.178Vendor (CNA)
Linux Linux6.6.145Vendor (CNA)
Linux Linux6.8Vendor (CNA)
Linux Linux75eb2173b63ab41c24d80cd641af18f3c117a267Vendor (CNA)
Linux Linuxe2cc711a9df37f359159b21db56cea9c21f58a9cVendor (CNA)
Linux Linuxec2612b8ad9e642596db011dd8b6568ef1edeaa1Vendor (CNA)
azl3 kernel 6.6.143.1-1 on Azure Linux 3.06.6.150.1-1 · CBL-Mariner ReleasesMicrosoft (MSRC)
debian:linux6.1.180-1 · Debian:12Package registry (OSV)

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

  • CVE-2026-681610 days apartsctp: close UDP tunnel sockets during netns teardown
    39Monitor
  • CVE-2026-720055 days apartwifi: rt2x00: avoid full teardown before work setup in probe
    31Monitor

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

National notice (Türkiye Cybersecurity Directorate / USOM)

Official security notices citing this record; remediation advice is on the agency's page.

All national notices →

Technical details

Attack conditions

  • Someone on the same network segment can trigger it.
  • No account or password is required.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
high · data can be read
Integrity
high · data or configuration can be modified
Availability
high · the service can be disrupted
Attack vector
Adjacent
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
High

Weakness class (CWE)

CWE-404 · Improper Resource Shutdown or Release

CVSS vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

nvd-secondary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

Change log

  1. SSVC exploitation— → none
  2. Fix✗ → ✓

For records you follow, these changes also arrive as notifications. →

References

Show all references (7 more)

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records