---
title: "CVE-2026-101311: bhyve - Remote Code Execution & Denial of Service"
description: "bhyve contains a race condition and improper validation in framebuffer and RFB modules, letting a malicious guest crash the bhyve process or execute arbitrary code in host userspace, exploit requires guest VM access."
url: https://panop.io/threat-heartbeat/CVE-2026-101311/
---

# CVE-2026-101311 bhyve - Remote Code Execution & Denial of Service

bhyve contains a race condition and improper validation in framebuffer and RFB modules, letting a malicious guest crash the bhyve process or execute arbitrary code in host userspace, exploit requires guest VM access.

CVSS base score 7.0 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-101311)

## Details

Type

Remote Code Execution

Impact

Remote Code Execution, Denial Of Service

CVSS vector

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

Published

15 October 2026

Updated

15 October 2026

Weakness

[CWE-362](https://cwe.mitre.org/data/definitions/362.html)

## Vendor fix

Update to the latest version with framebuffer and RFB module fixes.

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

- [https://nvd.nist.gov/vuln/detail/CVE-2026-101311](https://nvd.nist.gov/vuln/detail/CVE-2026-101311)
- [https://security.freebsd.org/advisories/FreeBSD-SA-26:72.bhyve.asc](https://security.freebsd.org/advisories/FreeBSD-SA-26:72.bhyve.asc)

[← All CVEs](https://panop.io/threat-heartbeat/)

## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

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