CVE-2026-88218

CriticalCVSS 9.8/10Last modified Nov 11, 2026

Description

Double free in Windows DNS allows an unauthorized attacker to execute code over a network.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

No affected versions have been published.

Timeline

Published
Nov 10, 2026
Last modified
Nov 11, 2026
NVD status
Awaiting Analysis

Related CVEs from 2026

CVE-2026-882198.8Untrusted pointer dereference in RPC Runtime allows an unauthorized attacker to execute code over a network.CVE-2026-88227.5A memory corruption vulnerability exists in the vtkDEMReader ReadProfiles functionality of vtk (version(s): 9.6.1). A specially crafted USGSCVE-2026-882205.5Buffer over-read in Windows Performance Counters allows an authorized attacker to disclose information locally.CVE-2026-882217.0Use after free in Windows Broadcast DVR User Service allows an authorized attacker to elevate privileges locally.CVE-2026-882228.8Heap-based buffer overflow in Microsoft WDAC OLE DB provider for SQL allows an unauthorized attacker to execute code over a network.CVE-2026-882247.0Improper link resolution before file access ('link following') in Windows AppX Deployment Service allows an authorized attacker to elevate pCVE-2026-882264.6Out-of-bounds read in Windows Storage Port Driver allows an unauthorized attacker to disclose information with a physical attack.CVE-2026-882277.8Heap-based buffer overflow in Windows Local Security Authority Subsystem Service (LSASS) allows an authorized attacker to elevate privilegesCVE-2026-882287.0Heap-based buffer overflow in Windows Local Security Authority Subsystem Service (LSASS) allows an authorized attacker to elevate privilegesCVE-2026-882298.8Heap-based buffer overflow in Windows Media Player allows an unauthorized attacker to execute code over a network.CVE-2026-88233.8Mattermost versions 11.7.x <= 11.7.0, 10.11.x <= 10.11.17 fail to validate bot targets when demoting users to guests which allows a lower-prCVE-2026-882307.8Heap-based buffer overflow in Windows LUAFV allows an authorized attacker to elevate privileges locally.
CVE-2026-88218: Critical severity, CVSS 9.8 | Vulnix