CVE-2026-42893

Microsoft · Published May 12, 2026

7.4

CVSS v3.1

HIGH

Patch availableGet patch

Description

Microsoft Outlook for iOS Tampering Vulnerability. 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 Products

Microsoft Outlook for iOS

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N/E:U/RL:O/RC:C