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VULNERABILITIES

CVE-2026-66798 Details

Description

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

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:4.3 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-66798 [email protected]Vendor Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-416Use After Free[email protected]

Affected Products

ProductVersions
microsoft edge chromium
< 152.0.4191.53

CPE

  • cpe:2.3:a:microsoft:edge_chromium:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

6 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-66798
NVD Published Date:
Aug 28, 2026
NVD Last Modified:
Sep 11, 2026
Source:
[email protected]
CVE-2026-66798 Details - Not Deferred