CVE-2026-47634CWE-74

Microsoft SharePoint Server Spoofing Vulnerability

High · published June 9, 2026

CVSS v3.1
7.3
EPSS
1%
Percentile
43.9
In the wild
Unconfirmed
What it is

Improper neutralization of special elements in output used by a downstream component ('injection') in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.

The record
Technical detail
CVSS v3.1
7.3 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C
CVSS v4.0
Not supplied
EPSS
0.00528 · 43.9th percentile
Weakness
CWE-74 · Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
Published
2026-06-09T17:05Z
EPSS history
Timeline
  • 09 JUN 17:05Z
    Microsoft SharePoint Server Spoofing Vulnerability
    cvelistv5