CVE-2026-78501EPSS p58.1%

CVE-2026-78501CVE-2026-78501

Description

Improper neutralization of special elements used in a command ('command injection') in Microsoft 365 Copilot's Business Chat allows an unauthorized attacker to disclose information over a network.

Scoring

CVSS 7.4 ()
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N
EPSS0.89% probability of exploitation · percentile 58.1% · 2026-10-06T12:00:23Z
Last modified2026-09-18
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.