CVE-2026-50510

Local code execution via improper name restriction

Published Jul 14, 2026 · Updated Jul 14, 2026

Code execution in Microsoft GitHub Copilot plugin for JetBrains IDEs before 1.13.0-251 allows attackers to run code via local interaction. Microsoft identifies improper restriction of file and resource names, but the affected locus and unsafe name-handling operation remain undisclosed. Exploitation requires user interaction and reaches local code execution without prior privileges, affecting confidentiality, integrity, and availability.

CVSS severity7.8
High
EPSS probability0.36%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Book a demo

Summary

What happened

Code execution in Microsoft GitHub Copilot plugin for JetBrains IDEs before 1.13.0-251 allows attackers to run code via local interaction. Microsoft identifies improper restriction of file and resource names, but the affected locus and unsafe name-handling operation remain undisclosed. Exploitation requires user interaction and reaches local code execution without prior privileges, affecting confidentiality, integrity, and availability.

The record

CVE
CVE-2026-50510
Published
Jul 14, 2026
Updated
Jul 14, 2026
Vendor
Microsoft
Product
GitHub Copilot plugin for JetBrains IDEs
Classifications
CWE-641
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jul 14, 2026CVE publishedPublication date reported by the CVE source.
  2. Jul 14, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=1.0.0 <1.13.0-251

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

Microsoft · GitHub Copilot plugin for JetBrains IDEsversion=1.0.0 <1.13.0-251

Published CVSS scores

7.8NIST NVDCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
7.8Microsoft CorporationCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-641Improper Restriction of Names for Files and Other Resources

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

See the directory against your own environment.

Your stack

Check the software in your environment

Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.

Book a demo