CVE-2026-70217CWE-284broken-access-control

CVE-2026-70217

Medium · published October 13, 2026

CVSS v3.1
4.9
EPSS
1%
Percentile
58.0
In the wild
Unconfirmed
What it is

Improper access control in Microsoft Office SharePoint allows an authorized attacker to disclose information over a network.

The record
Technical detail
CVSS v3.1
4.9 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00857 · 58.0th percentile
Weakness
CWE-284 · Improper Access Control
Published
2026-10-13T23:19Z
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-2026-70217 · [email protected]
EPSS history
Timeline
  • 15 OCT 03:33Z
    EPSS moved — → 1%
    epss
  • 13 OCT 19:01Z
    Microsoft Office SharePoint Information Disclosure Vulnerability
    cvelistv5
  • 13 OCT 19:01Z
    Microsoft Office SharePoint Information Disclosure Vulnerability
    cvelistv5