What is CVE-2026-81377?

CVE-2026-81377 is a medium-severity vulnerability in Microsoft Visual Studio Code, classified under Path Traversal. CVSS score: 6.5/10. Published 2026-09-08.

How severe is CVE-2026-81377?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Path Traversal in Microsoft Visual Studio Code

CVE-2026-81377

Improper limitation of a pathname to a restricted directory ('path traversal') in Visual Studio Code allows an unauthorized attacker to perform tampering over a network.

Vulnerability class: Path Traversal (Directory Traversal)

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N.

Affected products

Microsoft Visual Studio Code

Weakness classification (CWE)

CWE-22 — Path Traversal

References

secure@microsoft.com (vendor-advisory, patch)

Frequently asked questions

What is CVE-2026-81377?: CVE-2026-81377 is a medium-severity vulnerability in Microsoft Visual Studio Code, classified under Path Traversal. CVSS score: 6.5/10. Published 2026-09-08.
How severe is CVE-2026-81377?: Medium severity. CVSS v3 base score is 6.5 out of 10.