# HID: wacom: fix OOB read in wacom_wac_pen_serial_enforce()

CVE record · `CVE-2026-98499`

- **Identifiers:** `CVE-2026-98499`
- **State:** Confirmed
- **Severity:** CVSS 8.1 High
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 18 Oct 2026
- **Updated:** 24 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 18 Oct 2026, 15:16 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

## Affected products, as the CNA wrote them

- Vendor: Linux. Product: Linux.
  - affected: `83417206427bdf0fef9fa69957807194f25923c3 to before 9aa62f967b6a4bb30aa3b778e02c8a5ca6bcde51` (git)
  - affected: `83417206427bdf0fef9fa69957807194f25923c3 to before 26471d954bbfbfb9032994f7f485802ee20e0582` (git)
  - affected: `83417206427bdf0fef9fa69957807194f25923c3 to before 456afe4707e23cc114ad833197f63b52bb8fd1e7` (git)
  - affected: `83417206427bdf0fef9fa69957807194f25923c3 to before 65e7c4b5366b770c60dfefac3f1d06e33a9e411e` (git)
  - affected: `83417206427bdf0fef9fa69957807194f25923c3 to before eaa7d29341ef4b91e84ad097562982288a7c376c` (git)
  - affected: `83417206427bdf0fef9fa69957807194f25923c3 to before c3129e6f26e18c0886ede7265f187a7ec289e1d1` (git)
  - affected: `83417206427bdf0fef9fa69957807194f25923c3 to before 4b09b7c84b8633cd041181616bd15bf5e73c164d` (git)
  - affected: `83417206427bdf0fef9fa69957807194f25923c3 to before 9aa237cf66495b2426ddde8532e9b08a0ed83aaa` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `4.16`
  - unaffected: `before 4.16` (semver)
  - unaffected: `5.10.271 to 5.10.*, inclusive` (semver)
  - unaffected: `5.15.222 to 5.15.*, inclusive` (semver)
  - unaffected: `6.1.189 to 6.1.*, inclusive` (semver)
  - unaffected: `6.6.158 to 6.6.*, inclusive` (semver)
  - unaffected: `6.12.112 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.55 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.9 to 7.2.*, inclusive` (semver)
  - unaffected: `7.3 to *, inclusive` (original_commit_for_fix)
  - Other versions: affected

## Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

## Severity and exploitation

- 8.1 High, CVSS 3.1: `CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H`, from CNA (Linux)

- **CISA KEV:** Not listed.
- **EPSS:** 0.0039, the 33rd percentile, on 9 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

## Timeline

This record came from the full history of the CVE Program, published 18 Oct 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-98499](https://www.cve.org/CVERecord?id=CVE-2026-98499)
- [NVD: CVE-2026-98499](https://nvd.nist.gov/vuln/detail/CVE-2026-98499)

### References from the CNA

- <https://git.kernel.org/stable/c/9aa62f967b6a4bb30aa3b778e02c8a5ca6bcde51>
- <https://git.kernel.org/stable/c/26471d954bbfbfb9032994f7f485802ee20e0582>
- <https://git.kernel.org/stable/c/456afe4707e23cc114ad833197f63b52bb8fd1e7>
- <https://git.kernel.org/stable/c/65e7c4b5366b770c60dfefac3f1d06e33a9e411e>
- <https://git.kernel.org/stable/c/eaa7d29341ef4b91e84ad097562982288a7c376c>
- <https://git.kernel.org/stable/c/c3129e6f26e18c0886ede7265f187a7ec289e1d1>
- <https://git.kernel.org/stable/c/4b09b7c84b8633cd041181616bd15bf5e73c164d>
- <https://git.kernel.org/stable/c/9aa237cf66495b2426ddde8532e9b08a0ed83aaa>

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.

## Check whether this affects you

This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it. Compare the affected versions above with what you run.

- With the agentprime MCP server (<https://api.agentprime.io/mcp>), `get_advisory` returns this record and `search_advisories` finds related ones. Setup: <https://agentprime.io/mcp.md>
- As JSON: <https://api.agentprime.io/v1/advisories/CVE-2026-98499>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-98499/>. Everything for agents: <https://agentprime.io/llms.txt>.