CVE-2026-85892— Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability
Quick assessment
Affected
Microsoft Microsoft Edge (Chromium-based)
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
微软 Edge 浏览器（基于 Chromium）中，由于共享资源的并发执行缺乏适当的同步机制（即存在“竞态条件”），使得经过身份验证的攻击者能够在本地提升权限。
Possible ATT&CK Techniques 2 AI
T1068 · Exploitation for Privilege Escalation T1059 · Command and Scripting InterpreterAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Microsoft | Microsoft Edge (Chromium-based) | 1.0.0.0< 152.0.4191.66 |
affected |
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I. Basic Information for CVE-2026-85892
Vulnerability Information
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Vulnerability Title
Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Concurrent execution using shared resource with improper synchronization ('race condition') in Microsoft Edge (Chromium-based) allows an authorized attacker to elevate privileges locally.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
使用共享资源的并发执行不恰当同步问题(竞争条件)
Source: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Microsoft | Microsoft Edge (Chromium-based) | 1.0.0.0 ~ 152.0.4191.66 | - |
|
II. Public POCs for CVE-2026-85892
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2026-85892 (1)
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V. Comments for CVE-2026-85892
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