PatchSiren

PatchSiren cyber security CVE debrief

CVE-2026-57101 Microsoft CVE debrief

CVE-2026-57101 is a high-severity vulnerability in Visual Studio Code, classified as a cross-site scripting vulnerability. The vulnerability allows an unauthorized attacker to bypass a security feature locally through improper neutralization of input during web page generation. Users of Visual Studio Code should prioritize updating to a version that addresses this vulnerability to prevent potential cross-site scripting attacks. The CVE record was published on 2026-07-14T18:18:34.850Z and has not been modified since then. Affected users should review and apply vendor advisories, and monitor for potential security updates.

Vendor
Microsoft
Product
Visual Studio Code
CVSS
HIGH 7.1
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 those with deployments in managed environments, should prioritize updating to a version that addresses this vulnerability to prevent potential cross-site scripting attacks. Operators, platform administrators, vulnerability management teams, and security teams should review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance.

Technical summary

CVE-2026-57101 is a high-severity vulnerability in Visual Studio Code, allowing an unauthorized attacker to bypass a security feature locally through improper neutralization of input during web page generation, classified as a cross-site scripting vulnerability. The vulnerability has a CVSS score of 7.1 and is considered HIGH. Users should verify their deployments and apply patches or mitigations as recommended by the vendor.

Defensive priority

High priority should be given to updating Visual Studio Code to a version that addresses this cross-site scripting vulnerability. Users should also review compensating controls for exposed systems while remediation is scheduled and verified.

Recommended defensive actions

  • Update Visual Studio Code to the latest version
  • Review and apply vendor advisories
  • Monitor for potential security updates
  • 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, including its CVSS score and affected versions of Visual Studio Code. The vulnerability allows an unauthorized attacker to bypass a security feature locally through improper neutralization of input during web page generation. Users should verify their deployments and apply patches or mitigations as recommended by the vendor. Evidence is limited to public sources and may not reflect the full scope or impact of the vulnerability.

Official resources

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-07-14T18:18:34.850Z and has not been modified since then.