CVE-2026-33843CRITICAL 9.1EPSS p46.4%

CVE-2026-33843CVE-2026-33843

Description

Authentication bypass using an alternate path or channel in Microsoft Azure Active Directory B2C allows an unauthorized attacker to elevate privileges over a network.

Scoring

CVSS 3.19.1 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
EPSS0.65% probability of exploitation · percentile 46.4% · 2026-06-19T12:03:05Z
Published2026-05-22
Last modified2026-05-26

Underlying weaknesses· 1

CWE-288

References

  1. https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33843

1

TypeTargetConfidenceTier
WeaknessAuthentication Bypass Using an Alternate Path or Channelcwe-2880%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.