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CVE-2026-21223

HighCVSS 7.1/10Last modified Jun 17, 2026

Description

Improper privilege management in Microsoft Edge (Chromium-based) allows an authorized attacker to bypass a security feature locally.

Metrics

CVSS 3.1 7.1/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Weakness enumeration

Affected software

Vendor	Product	Versions
Microsoft	Microsoft Edge (Chromium-based)	>= 1.0.0.0, < 144.0.3719.82

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21223Vendor Advisory

Timeline

Published: Jan 16, 2026
Last modified: Jun 17, 2026
NVD status: Modified

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CVE-2026-21223: High severity, CVSS 7.1 | Vulnix