Dashboard / CVE-2026-63523

CVE-2026-63523

MEDIUM
MEDIUM Priority: 0.04 BB Relevance: 63/100
Published: 2026-09-08 Modified: 2026-10-30 First seen: 2026-10-30 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

Improper neutralization of input during web page generation ('cross-site scripting') in Skype for Business allows an unauthorized attacker to perform spoofing over a network.

Weakness Classification (1)

Affected Software (3)

VendorProductVersion
Microsoft Skype for Business Server 2015 CU13 9319.0 < 6.0.9319.885
Microsoft Skype for Business Server 2019 CU8 2046.0 < 7.0.2046.569
Microsoft Skype for Business Server Subscription Edition CU1 2046.0 < 7.0.2046.879

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

0.55%
Raw Score 0.005530
Percentile 46.2%
Date 2026-10-30

Intelligence Sources

mitre ref →

External Links