CVE-2026-62827CWE-287

CVE-2026-62827

High · published August 11, 2026

CVSS v3.1
8.8
EPSS
1%
Percentile
60.6
In the wild
Unconfirmed
What it is

Improper authentication in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network.

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00940 · 60.6th percentile
Weakness
CWE-287 · Improper Authentication
Published
2026-08-11T21:18Z
Affected products (3)
ProductVersionsFixed in
microsoft/sharepoint_server< 16.0.19725.2052216.0.19725.20522
microsoft/sharepoint_serverall versions—
microsoft/sharepoint_serverall versions—
References (1)
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62827 · [email protected]
EPSS history
Timeline
  • 11 AUG 17:03Z
    Microsoft SharePoint Server Elevation of Privilege Vulnerability
    cvelistv5