CVE-2026-35439HIGH 8.8EPSS p78.5%

CVE-2026-35439CVE-2026-35439

Description

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

Scoring

CVSS 3.18.8 (HIGH)
VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS2.03% probability of exploitation · percentile 78.5% · 2026-06-18T12:00:27Z
Published2026-05-12
Last modified2026-05-13

Underlying weaknesses· 1

CWE-502

References

  1. https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-35439

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.