Description
Improper neutralization of parameter/argument delimiters in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.
Affected products
microsoft: edge chromium
References1
- msrc.microsoft.com/update-guide/vulnerability/CVE-2026-66323 Vendor Advisory
Metrics
- CVSS 3.1
-
5.4
MEDIUM
Score source: CNA
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N - EPSS — exploit probability
- 0% percentile: 36 · as of 8 November 2026
- CWE
- CWE-141
Could this be exploited in your environment?
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