What is CVE-2026-70334?

CVE-2026-70334 is a high-severity vulnerability in Microsoft Visual Studio Code, classified under Incomplete List of Disallowed Inputs. CVSS score: 7.8/10. Published 2026-09-08.

How severe is CVE-2026-70334?

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

Vulnerability in Microsoft Visual Studio Code

CVE-2026-70334

Incomplete list of disallowed inputs in Visual Studio Code allows an unauthorized attacker to bypass a security feature locally.

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.

Affected products

Microsoft Visual Studio Code

Weakness classification (CWE)

CWE-184 — Incomplete List of Disallowed Inputs

References

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

Frequently asked questions

What is CVE-2026-70334?: CVE-2026-70334 is a high-severity vulnerability in Microsoft Visual Studio Code, classified under Incomplete List of Disallowed Inputs. CVSS score: 7.8/10. Published 2026-09-08.
How severe is CVE-2026-70334?: High severity. CVSS v3 base score is 7.8 out of 10.