CVE-2026-85892

Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability

Published Sep 14, 2026 CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
Description
Concurrent execution using shared resource with improper synchronization ('race condition') in Microsoft Edge (Chromium-based) allows an authorized attacker to elevate privileges locally.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
Description Concurrent execution using shared resource with improper synchronization ('race condition') in Microsoft Edge (Chromium-based) allows an authorized attacker to elevate privileges locally.
Title Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability
First Time appeared Microsoft
Microsoft edge Chromium
Weaknesses CWE-362
CPEs cpe:2.3:a:microsoft:edge_chromium:*:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft edge Chromium
References
Metrics cvssV3_1

{'score': 7.8, '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'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
microsoft
Published
Updated
Nov 10, 2026, 9:29 PM
Reserved
Sep 4, 2026, 6:18 PM
Status
Analyzed
Published
Sep 14, 2026, 6:20 PM
Modified
Sep 25, 2026, 8:45 PM