CVE-2026-85892 HIGH

CVE-2026-85892: Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability

Vendor Microsoft
Product Microsoft Edge (Chromium-based)
Weakness CWE-362
Published September 14, 2026
Last update September 18, 2026

CVSS base score

7.8/10
Attack vector Local
Attack complexity High
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

Concurrent execution using shared resource with improper synchronization ('race condition') in Microsoft Edge (Chromium-based) allows an authorized attacker to elevate privileges locally.

Key dates

02Disclosure timeline

September 14, 2026 CVE published
September 18, 2026 Record updated