CVE-2026-70321
Medium
Elevated severity or exploit probability.
CVSS base
8.8
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS — probability of exploitation (30 days)
1.7%
76.1th percentile
CISA KEV
Not listed
Weakness / dates
CWE-502
Published 2026-08-11 · modified 2026-08-13
Description
Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.