Medium severity5.4NVD Advisory· Published Aug 28, 2026· Updated Sep 11, 2026

CVE-2026-66323

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/Edgellm-fuzzy
Microsoft/Edge Srcinferred

Patches

Vulnerability mechanics

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-66323nvdVendor Advisory

News mentions

Microsoft Edge: Batch of 7 CVEs patched, including High-severity RCE flaw
Vypr Intelligence · Aug 28, 2026

cvss	0.351
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000