CVE-2026-55946

MEDIUM
MEDIUM Priority: 0.02 BB Relevance: 52/100
Published: 2026-09-17 Modified: 2026-10-26 First seen: 2026-10-29 Status: active

Attack Surface

Network No Auth Conf. Impact Scope Change

CVSS Vector Breakdown

AV: Network
AC: High
PR: None
UI: Required
S: Changed
C: High
I: None
A: None

Description

Ai command injection in Microsoft Copilot allows an unauthorized attacker to disclose information over a network.

Weakness Classification (1)

Affected Software (1)

VendorProductVersion
microsoft copilot -

References & Advisories (1)

Bug Bounty Relevance

52 / 100
✓ Network accessible
✓ No authentication

CVSS Score

6.1 / 10.0 v3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:N/A:N/E:U/RL:O/RC:C

EPSS — Exploitation Probability

0.39%
Raw Score 0.003900
Percentile 33.0%
Date 2026-10-28

Intelligence Sources

mitre ref →