CVE-2026-33819CRITICAL 9.8EPSS p53.0%

CVE-2026-33819CVE-2026-33819

Description

Deserialization of untrusted data in Microsoft Bing 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
EPSS0.84% probability of exploitation · percentile 53.0% · 2026-06-18T12:00:27Z
Published2026-04-23
Last modified2026-05-05

Underlying weaknesses· 1

CWE-502

References

  1. https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33819

1

TypeTargetConfidenceTier
WeaknessDeserialization of Untrusted Datacwe-5020%live

Related by meaning· 6

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

CVE
CVE-2026-32194
CVE
CVE-2026-40368
CVE
CVE-2025-29807
CVE
CVE-2026-40357
CVE
CVE-2026-33112
CVE
CVE-2025-21355
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.