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CVE-2026-50521 | Mondoo Vulnerability Intelligence

Vulnerability IntelligenceCVE-2026-50521

CVE-2026-50521

HIGH8.3

Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability

Published Jul 1, 2026

Modified Yesterday

Details

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

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50521

https://www.cve.org/CVERecord?id=CVE-2026-50521

CVSS Analysis

CVSS v3.1

8.3

Exploitability

Attack Vector

NetworkAV:N

Attack Complexity

LowAC:L

Privileges Required

LowPR:L

User Interaction

NoneUI:N

Scope

Scope

UnchangedS:U

Impact

Confidentiality

HighC:H

Integrity

HighI:H

Availability

LowA:L

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

Weakness Type (CWE)

Memory Safety

Ecosystems

Timeline

PublishedJul 1, 2026

ModifiedJul 1, 2026