CVE-2026-89999 Linux Kernel - Out-of-Bounds Read

Linux kernel contains an out-of-bounds read vulnerability in HID wacom_intuos_pro2_bt_irq caused by lack of report length validation before parsing, letting attackers with malicious Bluetooth devices cause memory reads beyond buffer limits, exploit requires a paired or spoofed Bluetooth peripheral sending undersized reports.

CVSS base score 8.1 /10
High
CISA KEV
Not listed
Public exploit
None known
EPSS
0.36% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Out-of-Bounds Read
Impact
Information Disclosure
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Published
16 September 2026
Updated
15 October 2026

Vendor fix

Update to the latest Linux kernel version containing the fix for wacom_intuos_pro2_bt_irq report length validation.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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