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CVE-2026-50521

highCVSS 8.3covered by 5 sourcesfirst seen 2026-06-09
A remote, authenticated attacker can exploit a vulnerability in Microsoft Edge to execute arbitrary program code.

CSIRTS triage

What
A vulnerability allows a remote, authenticated attacker to execute arbitrary program code.
Who is affected
Users of Microsoft Edge (Chromium-based) with authentication.
Urgency
Critical urgency due to the potential for remote code execution.
Action
Update Microsoft Edge to the latest version to mitigate this vulnerability.

AI-assisted analysis generated from the source advisory — verify against the original.

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Exploitation outlook

Advisory coverage (5)

External references

NVD record for CVE-2026-50521

CVE.org record

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