# HID: hidpp: fix potential UAF in hidpp_connect_event()

CVE record · `CVE-2026-93826`

- **Identifiers:** `CVE-2026-93826`
- **State:** Confirmed
- **Severity:** CVSS 7.5 High
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 24 Sept 2026
- **Updated:** 3 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 24 Sept 2026, 16:03 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: `c39e3d5fc9dd3e16c6f59dd94d827540040de66d to before e03fd646adad7f97fa4429ec5f38cee9bde5276e` (git)
  - affected: `c39e3d5fc9dd3e16c6f59dd94d827540040de66d to before 5d7637f4d050d105177217e64b869f56f9825060` (git)
  - affected: `c39e3d5fc9dd3e16c6f59dd94d827540040de66d to before 3b8b2e58b078cd30e121401535541bb8a6d57133` (git)
  - affected: `c39e3d5fc9dd3e16c6f59dd94d827540040de66d to before 3303398cc2aa255ba251650a30024e11d48ea6c3` (git)
  - affected: `c39e3d5fc9dd3e16c6f59dd94d827540040de66d to before 6df6b1f2c49678211f65647c300bc51dda02893b` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `3.19`
  - unaffected: `before 3.19` (semver)
  - unaffected: `6.1.189 to 6.1.*, inclusive` (semver)
  - unaffected: `6.6.158 to 6.6.*, inclusive` (semver)
  - unaffected: `6.12.111 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.53 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2 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

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

- **CISA KEV:** Not listed.
- **EPSS:** 0.0023, the 14th percentile, on 13 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 24 Sept 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-93826](https://www.cve.org/CVERecord?id=CVE-2026-93826)
- [NVD: CVE-2026-93826](https://nvd.nist.gov/vuln/detail/CVE-2026-93826)

### References from the CNA

- <https://git.kernel.org/stable/c/e03fd646adad7f97fa4429ec5f38cee9bde5276e>
- <https://git.kernel.org/stable/c/5d7637f4d050d105177217e64b869f56f9825060>
- <https://git.kernel.org/stable/c/3b8b2e58b078cd30e121401535541bb8a6d57133>
- <https://git.kernel.org/stable/c/3303398cc2aa255ba251650a30024e11d48ea6c3>
- <https://git.kernel.org/stable/c/6df6b1f2c49678211f65647c300bc51dda02893b>

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-2026-93826>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-93826/>. Everything for agents: <https://agentprime.io/llms.txt>.