Dashboard / CVE-2025-53774

CVE-2025-53774

MEDIUM
MEDIUM Priority: 0.04 BB Relevance: 73/100
Published: 2025-08-07 Modified: 2026-11-03 First seen: 2026-11-03 Status: active

Attack Surface

Network Low Complexity No Auth No Interaction

CVSS Vector Breakdown

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

Description

Microsoft 365 Copilot BizChat Information Disclosure Vulnerability

Weakness Classification (1)

Affected Software (1)

VendorProductVersion
Microsoft Microsoft 365 Copilot's Business Chat -

References & Advisories (1)

Bug Bounty Relevance

73 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity
✓ No user interaction

CVSS Score

6.5 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C

EPSS — Exploitation Probability

0.68%
Raw Score 0.006820
Percentile 53.1%
Date 2026-11-14

EPSS Trend

2026-11-14
0.00682
2026-11-13
0.00682
2026-11-12
0.00682
2026-11-10
0.00682
2026-11-09
0.00682
2026-11-08
0.00682
2026-11-07
0.00629
2026-11-06
0.00629
2026-11-05
0.00629
2026-11-04
0.00629
2026-11-03
0.00629

Intelligence Sources

mitre ref →

External Links