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

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

Why it matters

The weakness can enable direct compromise with limited attacker prerequisites, making internet-facing assets the first place to look.

What defenders should do

Identify affected versions, prioritize internet-facing systems, and apply the vendor remediation.

Verify at the source

CyberKit curates and prioritizes; the source remains authoritative. Read the original advisory at msrc.microsoft.com →