CVE-2026-21531CRITICAL 9.8EPSS p81.4%

CVE-2026-21531CVE-2026-21531

Description

Deserialization of untrusted data in Azure SDK allows an unauthorized attacker to execute code over a network.

Scoring

CVSS 3.19.8 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS2.34% probability of exploitation · percentile 81.4% · 2026-06-18T12:00:27Z
Published2026-02-10
Last modified2026-02-12

Underlying weaknesses· 1

CWE-502

References

  1. https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21531

1

TypeTargetConfidenceTier
WeaknessDeserialization of Untrusted Datacwe-5020%live

Related by meaning· 6

Nearest entities by semantic similarity across the cs-graph corpus.

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