What is CVE-2026-81379?

CVE-2026-81379 is a high-severity vulnerability in Microsoft Visual Studio Code, classified under CWE-636. CVSS score: 8.2/10. Published 2026-09-08.

How severe is CVE-2026-81379?

High severity. CVSS v3 base score is 8.2 out of 10.

Vulnerability in Microsoft Visual Studio Code

CVE-2026-81379

Not failing securely ('failing open') in Visual Studio Code allows an unauthorized attacker to bypass a security feature over a network.

Published 2026-09-08 · last modified 2026-09-11.

CVSS v3 metric

CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N.

EPSS exploit prediction

EPSS: 0.005 (44.8th percentile), scored 2026-10-24.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 45th percentile — 44.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-636

References

Visual Studio Code Security Feature Bypass Vulnerability (vendor-advisory, Patch, patch, Vendor Advisory)

Frequently asked questions

What is CVE-2026-81379?: CVE-2026-81379 is a high-severity vulnerability in Microsoft Visual Studio Code, classified under CWE-636. CVSS score: 8.2/10. Published 2026-09-08.
How severe is CVE-2026-81379?: High severity. CVSS v3 base score is 8.2 out of 10.