How severe is CVE-2023-36018?

CVE-2023-36018 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-36018 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (71st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-36018?

CVE-2023-36018 affects Microsoft Jupyter. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-36018?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2023-36018 published?

CVE-2023-36018 was published on 2023-11-14 and last updated on 2026-06-17.

CVE-2023-36018

CVE-2023-36018 is a high-severity vulnerability in Microsoft Jupyter with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-359.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 2% (71st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-359
Affected product: Microsoft Jupyter
Published: 2023-11-14
Last modified: 2026-06-17

Description

Visual Studio Code Jupyter Extension Spoofing Vulnerability

Frequently asked questions

What is CVE-2023-36018?: Visual Studio Code Jupyter Extension Spoofing Vulnerability
How severe is CVE-2023-36018?: CVE-2023-36018 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-36018 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (71st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-36018?: CVE-2023-36018 affects Microsoft Jupyter. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-36018?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-36018 published?: CVE-2023-36018 was published on 2023-11-14 and last updated on 2026-06-17.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36018

Affected products (1)

cpe:2.3:a:microsoft:jupyter:*:*:*:*:*:visual_studio_code:*:*

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