CVE-2026-85892

High

Description

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

SeverityHigh

CVSS7.8

Exploit probability—

Product

Microsoft Edge Chromium

PublishedSep 14, 2026

First seenSep 14, 2026

Weakness typeCWE-362Race condition

How to fix

Update

microsoft edge_chromium152.0.4191.66 or later

Patches

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-85892

Affected products

Product	Affected versions	Fixed in
microsoft edge_chromium	v < 152.0.4191.66	152.0.4191.66

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