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onyx --cves cve-2026-93393

CVE-2026-93393

HIGHMongoDB
score
0.4
cvss
8.1
epss
0.5%
published
2026-09-17
kev added
—
first seen

MongoDB C Driver contains a heap-based buffer overflow caused by improper bounds checking in the TLS transport layer on Windows platform TLS backend, letting remote attackers cause memory corruption or process termination, exploit requires no authentication or user interaction.

Timeline

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

events2026-09-17 — PublishedP2026-10-21 — Tracked by OnyxTscore2026-10-21: score 0.40.4epss2026-09-22: epss 0.3%2026-09-23: epss 0.3%2026-09-24: epss 0.5%2026-09-25: epss 0.5%2026-09-26: epss 0.5%2026-09-27: epss 0.5%2026-09-29: epss 0.5%2026-09-30: epss 0.5%2026-10-01: epss 0.5%2026-10-02: epss 0.5%2026-10-03: epss 0.5%2026-10-04: epss 0.5%2026-10-05: epss 0.5%2026-10-06: epss 0.5%2026-10-07: epss 0.5%2026-10-08: epss 0.5%2026-10-09: epss 0.5%2026-10-10: epss 0.5%2026-10-11: epss 0.5%2026-10-12: epss 0.5%2026-10-13: epss 0.5%2026-10-14: epss 0.5%2026-10-15: epss 0.5%2026-10-16: epss 0.5%2026-10-18: epss 0.5%2026-10-19: epss 0.5%2026-10-20: epss 0.5%2026-10-21: epss 0.5%0.5%mentions/day0no mentions in 30 days2026-09-22today
  1. Published
  2. Tracked by Onyx

Weaknesses

CWE-787

References 1