# CVE-2026-2664: Out of bounds read vulnerability in grpcfuse kernel module

CVE-2026-2664 is fixed in Docker Desktop on 1 platform by Docker Desktop 4.63.0 (version 4.63.0), released February 27, 2026. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2026-2664
- Priority: Routine
- CVSS: 6.8
- EPSS: 0.0021
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Feb 24, 2026
- Weakness: CWE-125: Out-of-bounds Read
- Vendor advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-2664

## Description

An out of bounds read vulnerability in the grpcfuse kernel module present in the Linux VM in Docker Desktop for Windows, Linux and macOS up to version 4.61.0 could allow a local attacker to cause an unspecified impact by writing to /proc/docker entries. The issue has been fixed in Docker Desktop 4.62.0 .

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Windows apps | Docker Desktop | 4.63.0 | [Docker Desktop 4.63.0](https://patchblox.com/security/data/fix/windows-app/docker.dockerdesktop-4.63.0.md) | Feb 27, 2026 |

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Data as of 2026-11-08T13:06:02Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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