CVE-2026-42893: Improper neutralization of special elements used in a command ('command injection') in M365 Copilot allows an unauthorized attacker to perform tampering over a…

PriorityP351high7.5CVSS 3.1

AVNACLPRNUINSUCNIHAN

EPSS

0.40%

32.2th percentile

Improper neutralization of special elements used in a command ('command injection') in M365 Copilot allows an unauthorized attacker to perform tampering over a network.

Affected

2 ranges

Vendor	Product	Version range	Fixed in
microsoft	microsoft_outlook_for_ios	>= 1.0.0 < 5.2617.1	5.2617.1
microsoft	outlook	< 5.2617.1	5.2617.1

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