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Vulnerability record · CVE-2026-85892 · published 14 September 2026

CVE-2026-85892: Microsoft edge chromium race condition vulnerability

Microsoft · Edge Chromium

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

7.8 CVSS 3.1 High EPSS 0.20% · top 90.9% CWE-362 · Race condition
7.8CVSS 3.1 base score
0.20%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References
25 Sep 2026Last modified by NVD

Description

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

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-85892 Vendor Advisory

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Source: NIST National Vulnerability Database (record CVE-2026-85892), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.