What is CVE-2025-49714?

CVE-2025-49714 is a high-severity vulnerability in Microsoft Python, classified under Trust Boundary Violation. CVSS score: 7.8/10. Published 2025-07-08.

How severe is CVE-2025-49714?

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

Vulnerability in Microsoft Python

CVE-2025-49714

Trust boundary violation in Visual Studio Code - Python extension allows an unauthorized attacker to execute code locally.

Published 2025-07-08 · last modified 2026-06-17.

CVSS v3 metric

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

EPSS exploit prediction

EPSS: 0.005 (39.2th percentile), scored 2026-10-20.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 39th percentile — 39.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.005 · change: +0.001

Affected products

Microsoft Python
Microsoft Python Extension For Visual Studio Code — versions 2020

Weakness classification (CWE)

CWE-501 — Trust Boundary Violation

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2025-49714 (vendor-advisory, patch, Vendor Advisory)

Frequently asked questions

What is CVE-2025-49714?: CVE-2025-49714 is a high-severity vulnerability in Microsoft Python, classified under Trust Boundary Violation. CVSS score: 7.8/10. Published 2025-07-08.
How severe is CVE-2025-49714?: High severity. CVSS v3 base score is 7.8 out of 10.