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CVE-2026-40376ImportantRevised 10 Jun

Visual Studio Code Elevation of Privilege Vulnerability

MSRC advisory NVD CVE.org

Assessment

Improper input validation in Visual Studio Code allows an unauthorized attacker to elevate privileges over a network.

Severity
Important
CVSS base score
7.5CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Impact
Elevation of Privilege
EPSS, next 30 days
0.7%Higher than 50.5% of scored CVEs · FIRST model run 29 Sep 2026 · about EPSS
Public exploit code
No Nuclei template lists it
Exploitability
Exploitation Less Likely
Publicly disclosed
No
Customer action
Required: apply the update
Component
Visual Studio Code
Weakness
CWE-20: Improper Input Validation
Issued by
Microsoft
Published
9 Jun 2026 · June 2026
Last revised
10 Jun 2026Updated the Security Updates build number and title as the Chat extension is now merged into Visual Studio Code. This is an informational change only.

Updates that fix it

0 KBs

No KB listed

MSRC lists no downloadable update, which usually means a service-side fix or a release-notes update. Check the MSRC advisory.

Affected products

Developer Tools
1 affected product
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