Vulnerability · Published Jul 14, 2026 · Assigned by microsoft

CVE-2026-48561Microsoft Edge Copilot Remote Code Execution Vulnerability

Critical 9.6

In plain English

A critical-severity command injection in Microsoft Edge Copilot for Android from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 59% of all known vulnerabilities).

Severity (CVSS 3.1)9.6Critical
Exploit odds (30 days)0.9%top 41.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Improper neutralization of special elements used in a command ('command injection') in Copilot Chat (Microsoft Edge) allows an unauthorized attacker to execute code over a network.

Affected products (as reported)

VendorProductVersions
Microsoft Microsoft Edge Copilot for Android 1.0.0 – before publication
Microsoft Microsoft Edge Copilot for IOS 1.0.0 – before publication

Weakness: CWE-77 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C

References