MicrosoftCVE-2026-85892
Microsoft Edge (Chromium-based): race condition
High7.8CVE-2026-85892 · Published Sep 14, 2026 · updated Sep 25, 2026
Concurrent execution using shared resource with improper synchronization ('race condition') in Microsoft Edge (Chromium-based) allows an authorized attacker to elevate privileges locally.
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| Microsoft Edge (Chromium-based) Product | >= 1.0.0.0, < 152.0.4191.66 | 152.0.4191.66 |
Details and references
- CVSS 3.1
- CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
- Severity from
- the vendor (its own CVE record or advisory)
- Weakness
- CWE-362
More Microsoft advisories
All Microsoft| Date | Advisory | Severity | Fixed in |
|---|---|---|---|
| Sep 17 | Microsoft Copilot: command injection | Medium6.1 | No fix yet |
| Sep 15 | Microsoft Edge (Chromium-based): use after free | High8.8 | 153.0.4234.32 |
| Sep 15 | Microsoft Edge (Chromium-based): heap buffer overflow | High8.8 | 153.0.4234.32 |
| Sep 14 | Microsoft Windows 11 version 26H1: double free | High8.2 | 10.0.28000.2956 |
| Sep 11 | Microsoft Edge (Chromium-based): cross-site scripting | Medium6.1 | 151.0.4129.107 |
| Sep 11 | Microsoft Edge: use after free | High8.5 | 152.0.4191.52+2 more |