CVE-2023-36018

criticalpriority · track · 40EPSS 0.015 · 74 %ileDEEURUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

1.51% (74th) EPSS

CVSS 9.8 · critical

Is it mine?

28 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-23

Visual Studio Code Jupyter Extension Spoofing Vulnerability

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

FixedJupyter Extension for Visual Studio Codemsrc_csaf
2023.10.1100000000:Security Update:https://marketplace.visualstudio.com/items/ms-toolsai.jupyter/changelog
https://marketplace.visualstudio.com/items/ms-toolsai.jupyter/changelog

cvss

Technical severity, 0–10. One row per scoring source.

9.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 7.8–9.8

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9

v3.17.8highAV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:Csecondary · ENISA EU

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · secure@microsoft.com USexploitability 1.8 · impact 5.9

v3.19criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:Csecondary · Microsoft Security Response Center US

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-359USCWE-359USCWE-451US

affected products (28)

Products and version ranges known to be affected.

Microsoft .NET Framework 2.0 SP2all versionscert_bundDEcpe:/a:microsoft:.net_framework:2.0_sp2
Microsoft .NET Framework 3.0 SP2all versionscert_bundDEcpe:/a:microsoft:.net_framework:3.0_sp2
Microsoft .NET Framework 3.5all versionscert_bundDEcpe:/a:microsoft:.net_framework:3.5:-
Microsoft .NET Framework 3.5.1all versionscert_bundDEcpe:/a:microsoft:.net_framework:3.5.1
Microsoft .NET Framework 4.6all versionscert_bundDEcpe:/a:microsoft:.net_framework:4.6
Microsoft .NET Framework 4.6.2all versionscert_bundDEcpe:/a:microsoft:.net_framework:4.6.2
Microsoft .NET Framework 4.7all versionscert_bundDEcpe:/a:microsoft:.net_framework:4.7
Microsoft .NET Framework 4.7.1all versionscert_bundDEcpe:/a:microsoft:.net_framework:4.7.1
Microsoft .NET Framework 4.7.2all versionscert_bundDEcpe:/a:microsoft:.net_framework:4.7.2
Microsoft .NET Framework 4.8all versionscert_bundDEcpe:/a:microsoft:.net_framework:4.8
Microsoft .NET Framework 4.8.1all versionscert_bundDEcpe:/a:microsoft:.net_framework:4.8.1
Microsoft ASP.NET Core 6.0all versionscert_bundDEcpe:/a:microsoft:asp.net:core_6.0
Microsoft ASP.NET Core 7.0all versionscert_bundDEcpe:/a:microsoft:asp.net:core_7.0
Microsoft ASP.NET Core 8.0all versionscert_bundDEcpe:/a:microsoft:asp.net:core_2.1
Microsoft Visual Studio 2019 version 16.11all versionscert_bundDEcpe:/a:microsoft:visual_studio_2019:version_16.11
Microsoft Visual Studio 2022 version 17.2all versionscert_bundDEcpe:/a:microsoft:visual_studio_2022:version_17.2
Microsoft Visual Studio 2022 version 17.4all versionscert_bundDEcpe:/a:microsoft:visual_studio_2022:version_17.4
Microsoft Visual Studio 2022 version 17.6all versionscert_bundDEcpe:/a:microsoft:visual_studio_2022:version_17.6
Microsoft Visual Studio 2022 version 17.7all versionscert_bundDEcpe:/a:microsoft:visual_studio_2022:version_17.7
Microsoft Visual Studio Code Jupyter Extension for Visual Studio Codeall versionscert_bundDEcpe:/a:microsoft:visual_studio_code:jupyter_extension_for_visual_studio_code

showing 20 of 28

advisories (2)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2023-2895Microsoft Entwicklerwerkzeuge: Mehrere SchwachstellenDeutsch2023-11-14csaf · cert_bundDE
Ein entfernter Angreifer kann mehrere Schwachstellen in Microsoft .NET Framework, Microsoft ASP.NET, Microsoft Visual Studio und Microsoft Visual Studio Code ausnutzen, um Sicherheitsmechanismen zu umgehen, um seine Privilegien zu erhöhen und um einen Denial of Service Zustand herbeizuführen.
msrc_CVE-2023-36018Visual Studio Code Jupyter Extension Spoofing Vulnerability2023-11-14csaf · msrc_csafUS
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund msrc_csaf NVD CVE.org MITRE

published 2023-11-14modified 2026-06-17

references (4)

External citations — patches, advisories, analysis.

scry

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