Dashboard / CVE-2026-66306

CVE-2026-66306

MEDIUM
MEDIUM Priority: 0.06 BB Relevance: 63/100
Published: 2026-09-08 Modified: 2026-10-26 First seen: 2026-10-29 Status: active

Attack Surface

Network Low Complexity No Auth Conf. Impact

CVSS Vector Breakdown

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

Description

Generation of error message containing sensitive information in Skype for Business allows an unauthorized attacker to disclose information over a network.

Weakness Classification (1)

Affected Software (6)

VendorProductVersion
microsoft skype_for_business_server 2015
microsoft skype_for_business_server 2015
microsoft skype_for_business_server 2019
microsoft skype_for_business_server 2019
microsoft skype_for_business_server 2019
microsoft skype_for_business_server_subscription_edition 7.0.2046.849

References & Advisories (1)

Bug Bounty Relevance

63 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity

CVSS Score

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

EPSS — Exploitation Probability

0.92%
Raw Score 0.009220
Percentile 60.3%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00922
2026-10-28
0.00922

Intelligence Sources

mitre ref →

External Links