CVE-2026-66323mediumCWE-141

CVE-2026-66323: medium-severity vulnerability in Microsoft Edge (Chromium-based)

Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability

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13Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 5.4epss 0.4%
Improper neutralization of parameter/argument delimiters in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C
Affected products
Microsoft · Microsoft Edge (Chromium-based)Microsoft · Microsoft Edge for AndroidMicrosoft · Microsoft Edge for iOSMicrosoft · Microsoft Edge for LinuxMicrosoft · Microsoft Edge for MACMicrosoft · Microsoft Edge for Windows
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