CVE-2026-42893

—

CVSS 3.1

7.5 high

EPSS

<1%p33

Published

May 12, 2026 (May 12, 2026)

Modified

Jun 17, 2026

Description

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

Vendors: microsoft
Products: outlook
Weakness: CWE-77
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

NVD CVE.org GitHub PoCs EPSS (0.4%)

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