{"id":"CVE-2026-95702","title":"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 backi…","summary":"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 backi…","severity":"high","cvss":8.5,"cvssVector":"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","cwe":["CWE-415","CWE-416","CWE-825"],"vendor":"Google","product":"gVisor","affected":["gVisor < 20260831.0"],"published":"2026-10-09","updated":"2026-10-15","sourceUpdated":"2026-10-15T19:17:49.723","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-95702","references":[{"url":"https://github.com/google/gvisor/commit/25c75149bc0eeaa6a3a49b9bbe3473588b2af6df","label":"cve-coordination@google.com"},{"url":"https://github.com/google/gvisor/commit/90bc4fc36fe442257a06ba15df00371561c183ed","label":"cve-coordination@google.com"},{"url":"https://github.com/google/gvisor/commit/e4efb89c787ef15b09e68d561f1303380e1d5a77","label":"cve-coordination@google.com"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-95702.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-95702"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2548662"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-95702"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-95702"}],"tags":["nvd","cve.org","csaf","vex","red-hat"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-10-15T18:14:55.174894Z"},"cvssSource":"cna","epss":0.00084,"epssPercentile":0.00247,"ingestedAt":"2026-10-09T16:02:33.390Z","scores":{"cna":8.5,"vendor":7.8},"slug":"CVE-2026-95702","body":"## Overview\n\nUse-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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Vendor advisories\n\n- **Red Hat VEX** · Important · updated 2026-10-16 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-95702.json)","depth":"twilight","depthScore":47,"depthScoreParts":{"impact":46.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":220578,"id":"CVE-2026-95702","ts":1792022799616,"field":"cvss","old":null,"new":"8.5"},{"seq":220577,"id":"CVE-2026-95702","ts":1792022799616,"field":"severity","old":"none","new":"high"}]}