---
title: "CVE-2026-95702: Google gVisor - Use After Free"
description: "Google gVisor prior to release 20260831.0 contains a use-after-free vulnerability caused by double-freeing the backing MemoryFile in the in-sandbox overlay filesystem, letting local attackers with container privileges execute code in the host sentry process."
url: https://panop.io/threat-heartbeat/CVE-2026-95702/
---

# CVE-2026-95702 Google gVisor - Use After Free

Google gVisor prior to release 20260831.0 contains a use-after-free vulnerability caused by double-freeing the backing MemoryFile in the in-sandbox overlay filesystem, letting local attackers with container privileges execute code in the host sentry process.

CVSS base score 8.5 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

EPSS

0.08% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-95702)

## Details

Type

Use After Free

Impact

Remote Code Execution

CVSS vector

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Published

9 October 2026

Updated

15 October 2026

Weakness

[CWE-415](https://cwe.mitre.org/data/definitions/415.html)

## Vendor fix

Update to release 20260831.0 or later.

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-2026-95702](https://nvd.nist.gov/vuln/detail/CVE-2026-95702)
- [https://github.com/google/gvisor/commit/25c75149bc0eeaa6a3a49b9bbe3473588b2af6df](https://github.com/google/gvisor/commit/25c75149bc0eeaa6a3a49b9bbe3473588b2af6df)
- [https://github.com/google/gvisor/commit/90bc4fc36fe442257a06ba15df00371561c183ed](https://github.com/google/gvisor/commit/90bc4fc36fe442257a06ba15df00371561c183ed)
- [https://github.com/google/gvisor/commit/e4efb89c787ef15b09e68d561f1303380e1d5a77](https://github.com/google/gvisor/commit/e4efb89c787ef15b09e68d561f1303380e1d5a77)

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## 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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