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CVE-2026-50520 Microsoft CVE debrief

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-07-14T17:17:01.420Z and has not been modified since then. The NVD entry is currently Analyzed. This high-severity vulnerability in Visual Studio Code, tracked under CWE-77, has a CVSS score of 8.4. It is caused by improper neutralization of special elements used in a command, leading to command injection. This allows an unauthorized attacker to execute code locally. Users of Visual Studio Code should prioritize updating to a version that addresses this vulnerability to prevent local code execution by unauthorized attackers.

Vendor
Microsoft
Product
Visual Studio Code
CVSS
HIGH 8.4
CISA KEV
Not listed in stored evidence
Original CVE published
2026-07-14
Original CVE updated
2026-07-16
Advisory published
2026-07-14
Advisory updated
2026-07-16

Who should care

Users of Visual Studio Code, particularly developers and administrators, should prioritize updating to a version that addresses this vulnerability to prevent local code execution by unauthorized attackers. This vulnerability has a high CVSS score of 8.4 and is tracked under CWE-77. The vulnerability is caused by improper neutralization of special elements used in a command, leading to command injection.

Technical summary

CVE-2026-50520 is a high-severity vulnerability in Visual Studio Code, with a CVSS score of 8.4. It is caused by improper neutralization of special elements used in a command, leading to command injection. This allows an unauthorized attacker to execute code locally. The vulnerability is tracked under CWE-77. Users of Visual Studio Code should prioritize updating to a version that addresses this vulnerability to prevent local code execution by unauthorized attackers.

Defensive priority

High priority should be given to updating Visual Studio Code to a version that addresses this command injection vulnerability. Users of Visual Studio Code should review and apply patches provided by Microsoft and monitor for any suspicious activity in Visual Studio Code.

Recommended defensive actions

  • Update Visual Studio Code to the latest version
  • Review and apply patches provided by Microsoft
  • Monitor for any suspicious activity in Visual Studio Code
  • Review compensating controls for exposed systems while remediation is scheduled and verified
  • Check relevant monitoring, detection, and logs for exposed assets that need extra review

Evidence notes

The CVE record and NVD detail provide information on the vulnerability. Microsoft has provided a patch and vendor advisory for this issue. The vulnerability is caused by improper neutralization of special elements used in a command, leading to command injection. This allows an unauthorized attacker to execute code locally. Users of Visual Studio Code should prioritize updating to a version that addresses this vulnerability to prevent local code execution by unauthorized attackers. The NVD entry is currently Analyzed. There is no information on known ransomware campaign use.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-50520 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-50520

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-50520 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-50520

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.