CVE-2026-4434HIGH 8.1EPSS p4.0%

CVE-2026-4434CVE-2026-4434

Description

Improper certificate validation in the PAM propagation WinRM connections allows a network attacker to perform a man-in-the-middle attack via disabled TLS certificate verification.

Scoring

CVSS 3.18.1 (HIGH)
VectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS0.14% probability of exploitation · percentile 4.0% · 2026-06-19T12:03:05Z
Published2026-03-20
Last modified2026-03-30

Underlying weaknesses· 1

CWE-295

References

  1. https://devolutions.net/security/advisories/DEVO-2026-0005/

1

TypeTargetConfidenceTier
WeaknessImproper Certificate Validationcwe-2950%live

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