CVE-2026-105013CWE-502insecure-deserialization

CVE-2026-105013

High · published October 13, 2026

CVSS v3.1
7.4
EPSS
1%
Percentile
57.4
In the wild
Unconfirmed
What it is

Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

The record
Technical detail
CVSS v3.1
7.4 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L
CVSS v4.0
Not supplied
EPSS
0.00840 · 57.4th percentile
Weakness
CWE-502 · Deserialization of Untrusted Data
Published
2026-10-13T23:17Z
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-2026-105013 · [email protected]
EPSS history
Timeline
  • 15 OCT 03:28Z
    EPSS moved — → 1%
    epss
  • 13 OCT 19:01Z
    Microsoft Office SharePoint Remote Code Execution Vulnerability
    cvelistv5
  • 13 OCT 19:01Z
    Microsoft Office SharePoint Remote Code Execution Vulnerability
    cvelistv5