What is CVE-2026-57101?

CVE-2026-57101 is a high-severity vulnerability in Microsoft Visual Studio Code, classified under Cross-site Scripting. CVSS score: 7.1/10. Published 2026-07-14.

How severe is CVE-2026-57101?

High severity. CVSS v3 base score is 7.1 out of 10.

XSS in Microsoft Visual Studio Code

CVE-2026-57101

Improper neutralization of input during web page generation ('cross-site scripting') in Visual Studio Code allows an unauthorized attacker to bypass a security feature locally.

Vulnerability class: XSS (Cross-Site Scripting)

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N.

Affected products

Microsoft Visual Studio Code — versions 1.0.0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

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

Frequently asked questions

What is CVE-2026-57101?: CVE-2026-57101 is a high-severity vulnerability in Microsoft Visual Studio Code, classified under Cross-site Scripting. CVSS score: 7.1/10. Published 2026-07-14.
How severe is CVE-2026-57101?: High severity. CVSS v3 base score is 7.1 out of 10.