Dashboard / CVE-2026-54130

CVE-2026-54130

HIGH
MEDIUM Priority: 0.08 BB Relevance: 75/100
Published: 2026-06-18 Modified: 2026-10-26 First seen: 2026-10-29 Status: active

Attack Surface

Network Low Complexity No Auth No Interaction Conf. Impact

CVSS Vector Breakdown

AV: Network
AC: Low
PR: None
UI: None
S: Unchanged
C: High
I: None
A: None

Description

Missing authentication for critical function in M365 Copilot allows an unauthorized attacker to disclose information over a network.

Weakness Classification (1)

Affected Software (1)

VendorProductVersion
microsoft 365_copilot -

References & Advisories (1)

Bug Bounty Relevance

75 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity
✓ No user interaction

CVSS Score

7.5 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS — Exploitation Probability

1.08%
Raw Score 0.010840
Percentile 65.2%
Date 2026-10-29

EPSS Trend

2026-10-29
0.01084
2026-10-28
0.01084

Intelligence Sources

nvd ref →

External Links