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CVE-2026-81376 Microsoft CVE debrief

CVE-2026-81376 is a critical vulnerability in Visual Studio Code that allows an unauthorized attacker to bypass a security feature over a network. The vulnerability has a CVSS score of 9.6 and is considered critical. Microsoft has released a patch for this vulnerability, and users are advised to update to the latest version. This vulnerability affects Visual Studio Code deployments and has a high impact on network security. To mitigate this vulnerability, developers and administrators should assess their exposure and update to the latest version. The CVE record was published on 2026-09-08T18:20:53.813Z and has not been modified since then. The vulnerability is caused by an

Vendor
Microsoft
Product
Visual Studio Code
CVSS
CRITICAL 9.6
CISA KEV
Not listed in stored evidence
Original CVE published
2026-09-08
Original CVE updated
2026-10-14
Advisory published
2026-09-08
Advisory updated
2026-10-14

Who should care

Developers and administrators using Visual Studio Code should assess their exposure and update to the latest version to mitigate this vulnerability.

Why it matters

CVE-2026-81376 is a critical vulnerability in Visual Studio Code that allows an unauthorized attacker to bypass a security feature over a network. Developers and administrators using Visual Studio Code should assess their exposure and update to the latest version to mitigate this vulnerability.

  • An attacker could bypass a security feature in Visual Studio Code, potentially leading to unauthorized access or modifications.
  • Developers and administrators may need to verify the version of Visual Studio Code and update to the latest version to mitigate this vulnerability.
  • Network segmentation and monitoring may be necessary to limit the attack surface and detect suspicious activity.

Technical summary

The vulnerability is caused by an incomplete comparison with missing factors in Visual Studio Code. This allows an unauthorized attacker to bypass a security feature over a network. The affected product is Visual Studio Code, and the vulnerability has a high impact on network security. To mitigate this vulnerability, users should update to the latest version of Visual Studio Code. The vulnerability has a CVSS score of 9.6 and is considered critical.

Defensive priority

High

Recommended defensive actions

  • Update Visual Studio Code to the latest version
  • Implement network segmentation to limit the attack surface
  • Monitor for suspicious activity

Evidence notes

The vulnerability is caused by an incomplete comparison with missing factors in Visual Studio Code. An attacker can exploit this vulnerability to bypass a security feature over a network.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-81376 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-81376

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

  • CVE-2026-81376 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-81376

    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.