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Vulnerability record · CVE-2026-57983 · published 3 July 2026

CVE-2026-57983: Microsoft edge chromium improper authorization vulnerability

Microsoft · Edge Chromium

Improper authorization in Microsoft Edge (Chromium-based) allows an unauthorized attacker to bypass a security feature over a network.

10.0 CVSS 3.1 Critical EPSS 0.65% · top 51.0% CWE-285 · Improper authorization
10.0CVSS 3.1 base score
0.65%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References
7 Jul 2026Last modified by NVD

Description

Improper authorization in Microsoft Edge (Chromium-based) allows an unauthorized attacker to bypass a security feature over a network.

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

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-2026-57983 Vendor Advisory

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Source: NIST National Vulnerability Database (record CVE-2026-57983), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.