What is CVE-2023-36018?

CVE-2023-36018 is a high-severity vulnerability in Microsoft Jupyter, classified under Exposure of Private Personal Information to an Unauthorized Actor. CVSS score: 7.8/10. Published 2023-11-14.

How severe is CVE-2023-36018?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Microsoft Jupyter

CVE-2023-36018

Visual Studio Code Jupyter Extension Spoofing Vulnerability

Published 2023-11-14 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.015 (73.4th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 73rd percentile — 73.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000

Affected products

Microsoft Jupyter
Microsoft Jupyter Extension For Visual Studio Code — versions 2022.0.0

Weakness classification (CWE)

CWE-359 — Exposure of Private Personal Information to an Unauthorized Actor

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36018 (vendor-advisory, Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2023-36018?: CVE-2023-36018 is a high-severity vulnerability in Microsoft Jupyter, classified under Exposure of Private Personal Information to an Unauthorized Actor. CVSS score: 7.8/10. Published 2023-11-14.
How severe is CVE-2023-36018?: High severity. CVSS v3 base score is 7.8 out of 10.