onyx

onyx --cves cve-2023-3955

CVE-2023-3955

HIGHPOCKubernetes
score
<0.1
cvss
8.8
epss
4.0%
published
2023-10-31
kev added
—
first seen

Kubernetes with Windows nodes contains a privilege escalation caused by a user able to create pods on Windows nodes, letting attackers escalate to admin privileges, exploit requires user to create pods on Windows nodes.

Timeline

How this CVE moved toward exploitation. Chart: last 30 days — trend score, EPSS, community mentions per day; hover the event lane.

events2023-10-31 — PublishedP2026-10-21 — Tracked by OnyxT2026-10-21 — Public PoCXscore2026-10-21: score <0.1<0.1epss2026-09-22: epss 3.1%2026-09-23: epss 3.1%2026-09-24: epss 3.1%2026-09-25: epss 3.1%2026-09-26: epss 3.1%2026-09-27: epss 3.1%2026-09-28: epss 4.0%2026-09-29: epss 4.0%2026-09-30: epss 4.0%2026-10-01: epss 4.0%2026-10-02: epss 4.0%2026-10-03: epss 4.0%2026-10-04: epss 4.0%2026-10-05: epss 4.0%2026-10-06: epss 4.0%2026-10-07: epss 4.0%2026-10-08: epss 4.0%2026-10-09: epss 4.0%2026-10-10: epss 4.0%2026-10-11: epss 4.0%2026-10-12: epss 4.0%2026-10-13: epss 4.0%2026-10-14: epss 4.0%2026-10-15: epss 4.0%2026-10-16: epss 4.0%2026-10-18: epss 4.0%2026-10-19: epss 4.0%2026-10-20: epss 4.0%2026-10-21: epss 4.0%4.0%mentions/day0no mentions in 30 days2026-09-22today
  1. Published
  2. Tracked by Onyx
  3. Public PoC

Exploit availability

Public PoC flagged by vulnx; no direct exploit link among the citations.

Weaknesses

CWE-20

References 3