CVE-2026-66323

Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability

State
Published
Severity
5.4 Medium
Published
Aug 28, 2026
Updated
Oct 30, 2026
Reserved
Jul 24, 2026

Read the record on cve.org

Description

Improper neutralization of parameter/argument delimiters in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.

Scores

CVSSScoreVectorSource
3.15.4 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N/E:U/RL:O/RC:Cmicrosoft

Weaknesses

  • CWE-141 Improper Neutralization of Parameter/Argument Delimiters

Affected Products

ProductVersions
Microsoft Edge (Chromium-based)Microsoft
  • 1.0.0.0 to before 152.0.4191.53Affected
Microsoft Edge for AndroidMicrosoft
  • 1.0.0.0 to before 152.0.4191.52Affected
Microsoft Edge for iOSMicrosoft
  • 1.0.0.0 to before 152.0.4191.52Affected
Microsoft Edge for LinuxMicrosoft
  • 1.0.0 to before 152.0.4191.52Affected
Microsoft Edge for MACMicrosoft
  • 1.0.0.0 to before 152.0.4191.52Affected
Microsoft Edge for WindowsMicrosoft
  • 1.0.0.0 to before 152.0.4191.52Affected

References

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