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CVE-2026-48569 Microsoft CVE debrief

CVE-2026-48569 is a HIGH-severity vulnerability in Microsoft Visual Studio Code. The vulnerability, which has a CVSS score of 7.1, is caused by improper input validation, allowing an unauthorized attacker to bypass a security feature locally. The CVE was published on 2026-06-09T17:17:45.527Z and last modified on 2026-06-12T16:57:37.930Z.

Vendor
Microsoft
Product
Visual Studio Code
CVSS
HIGH 7.1
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-09
Original CVE updated
2026-06-12
Advisory published
2026-06-09
Advisory updated
2026-06-12

Who should care

Users of Microsoft Visual Studio Code should be aware of this vulnerability and take necessary actions to mitigate it.

Technical summary

The vulnerability is caused by improper input validation in Visual Studio Code, which allows an unauthorized attacker to bypass a security feature locally. The CVSS vector for this vulnerability is CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N.

Defensive priority

HIGH

Recommended defensive actions

  • Users should update Visual Studio Code to a version that is not vulnerable (i.e., version 1.123.2 or later).
  • Users can refer to the vendor advisory at resourceLinkAnnotations with id 'ref-4' for more information on mitigation and patches.

Evidence notes

The CVE record and details are sourced from official databases and can be found at the following links:

Sources and references

Verified primary and authoritative sources

  • CVE-2026-48569 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-48569

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

  • CVE-2026-48569 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-48569

    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.