CVE-2026-88136 HIGH

CVE-2026-88136: Web Distributed Authoring and Versioning (WEBDAV) Remote Code Execution Vulnerability

Vendor Microsoft
Product Windows 10 Version 1607
Weakness CWE-41
Published October 13, 2026
Last update October 22, 2026

CVSS base score

8.8/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

Improper resolution of path equivalence in WebDAV allows an authorized attacker to execute code over a network.

Key dates

02Disclosure timeline

October 13, 2026 CVE published
October 22, 2026 Record updated