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Vulnerability record · CVE-2026-85893 · published 15 September 2026

CVE-2026-85893: Microsoft edge chromium use after free vulnerability

Microsoft · Edge Chromium

Use after free in Microsoft Edge (Chromium-based) allows an unauthorized attacker to elevate privileges over a network.

8.8 CVSS 3.1 High EPSS 0.82% · top 44.5% CWE-416 · Use after free
8.8CVSS 3.1 base score
0.82%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References
25 Sep 2026Last modified by NVD

Description

Use after free in Microsoft Edge (Chromium-based) allows an unauthorized attacker to elevate privileges over a network.

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/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-2026-85893 Vendor Advisory

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Source: NIST National Vulnerability Database (record CVE-2026-85893), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.