CVE-2026-33102CRITICAL 9.3EPSS p30.7%

CVE-2026-33102CVE-2026-33102

Description

Url redirection to untrusted site ('open redirect') in M365 Copilot allows an unauthorized attacker to elevate privileges over a network.

Scoring

CVSS 3.19.3 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
EPSS0.39% probability of exploitation · percentile 30.7% · 2026-06-19T12:03:05Z
Published2026-04-23
Last modified2026-04-29

Underlying weaknesses· 1

CWE-601

References

  1. https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33102

1

TypeTargetConfidenceTier
WeaknessURL Redirection to Untrusted Site ('Open Redirect')cwe-6010%live

Related by meaning· 6

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