CVE-2026-95702

What it is

Use-after-free vulnerability in VFS in Google gVisor prior to release 20260831.0 on all platforms allows a local attacker with standard container privileges to achieve code execution in the host sentry process by double-freeing the backing MemoryFile from an in-sandbox overlay filesystem. The sentry process remains confined by host-level Linux seccomp and namespace boundaries.

At a glance

Exploitability

Can be exploited locally on the machine with a low-privilege account. High risk of data exposure, data tampering, service disruption.

Exploit odds

0.1% chance of exploitation in the next 30 days (EPSS).

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2026-10-09 15:17 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-10-15 19:17 UTC Last updatedMost recent change to the record

Details

Published

2026-10-09 15:17 UTC

Last modified

2026-10-15 19:17 UTC

Exploit probability

0.1% · EPSS, next 30 days

Weakness

CWE-415

Record status

Awaiting Analysis

Attack profile CVSS 4.0 · 8.5

Attack vector

Local

Complexity

Low

Attack requirements

None

Privileges needed

Low

User interaction

None

Confidentiality

High

Integrity

High

Availability

High