CVE-2026-108452CWE-22path-traversal

CVE-2026-108452

High · published October 16, 2026

CVSS v3.1
8.8
EPSS
1%
Percentile
49.8
In the wild
Unconfirmed
What it is

Improper limitation of a pathname to a restricted directory ('path traversal') in Microsoft Office SharePoint allows an authorized attacker to execute code 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
0.00635 · 49.8th percentile
Weakness
CWE-22 · Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Published
2026-10-16T01:17Z
Affected products (1)
ProductVersionsFixed in
microsoft/sharepoint_server< 16.0.20326.2019016.0.20326.20190
References (1)
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-108452 · [email protected]
EPSS history
Timeline
  • 17 OCT 03:28Z
    EPSS moved — → 1%
    epss
  • 15 OCT 20:57Z
    Microsoft Office SharePoint Remote Code Execution Vulnerability
    cvelistv5
  • 15 OCT 20:57Z
    Microsoft Office SharePoint Remote Code Execution Vulnerability
    cvelistv5