Microsoft Edge (Chromium-based) Security Feature Bypass Vulnerability

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Summary

CVECVE-2026-57983
StatePUBLISHED
Assignermicrosoft
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-07-03 21:17:01 UTC
Updated2026-07-06 18:21:48 UTC
DescriptionImproper authorization in Microsoft Edge (Chromium-based) allows an unauthorized attacker to bypass a security feature over a network.

Risk And Classification

Primary CVSS: v3.1 8.7 HIGH from [email protected]

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

EPSS: 0.004640000 probability, percentile 0.369400000 (date 2026-07-05)

Problem Types: CWE-285 | CWE-285 CWE-285: Improper Authorization

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary8.7HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N
3.1CNACVSS8.7HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N/E:U/RL:O/RC:C

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
None

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Microsoft Microsoft Edge Chromium-based affected 1.0.0.0 150.0.4078.48 custom Not specified

References

ReferenceSourceLinkTags
msrc.microsoft.com/update-guide/vulnerability/CVE-2026-57983 [email protected] msrc.microsoft.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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