Vulnerability Intelligence Report
Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability
CVE-2026-85892
Concurrent execution using shared resource with improper synchronization ('race condition') in Microsoft Edge (Chromium-based) allows an authorized attacker to elevate privileges locally.
No Active Exploit Signals
CVSS Base Score
7.8
HIGH
Exploitability:1.2
Impact Score:6.1
EPSS Probability:0.20%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
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Authentication
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Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-362 ↗CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| Microsoft | Microsoft Edge (Chromium-based) | 1.0.0.0 < 152.0.4191.66 (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
0.202%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Microsoft Corporation · Vendor · USA |
| Reserved | 2026-09-04T18:18:19 |
| Published | 2026-09-14T17:29:23 |
| Patch Date | 2026-09-11 |
| Last Updated | 2026-10-01T22:52:40 |
Community Chatter & Buzz