CVE-2026-40368HIGH 8.0EPSS p77.9%

CVE-2026-40368CVE-2026-40368

Description

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

Scoring

CVSS 3.18.0 (HIGH)
VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
EPSS1.98% probability of exploitation · percentile 77.9% · 2026-06-19T12:03:05Z
Published2026-05-12
Last modified2026-05-13

Underlying weaknesses· 1

CWE-502

References

  1. https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-40368

1

TypeTargetConfidenceTier
WeaknessDeserialization of Untrusted Datacwe-5020%live

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.