Dashboard / CVE-2026-88209

CVE-2026-88209

MEDIUM
MEDIUM Priority: 0.02 BB Relevance: 49/100
Published: 2026-10-13 Modified: 2026-10-29 First seen: 2026-10-29 Status: active

Attack Surface

Network Low Complexity

CVSS Vector Breakdown

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

Description

Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.

Weakness Classification (1)

Affected Software (4)

VendorProductVersion
Microsoft Microsoft SharePoint Server Subscription Edition 16.0.0 < 16.0.20326.20190
Microsoft Microsoft SharePoint Server Subscription Edition 16.0.0 < 16.0.20326.20190
Microsoft Microsoft SharePoint Server Subscription Edition 16.0.0 < 16.0.20326.20190
microsoft sharepoint_server < 16.0.20326.20190

References & Advisories (1)

Bug Bounty Relevance

49 / 100
✓ Network accessible
✓ Low complexity

CVSS Score

4.6 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C

EPSS — Exploitation Probability

0.36%
Raw Score 0.003630
Percentile 30.1%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00363
2026-10-28
0.00363

Intelligence Sources

mitre ref →

External Links