CVE-2026-69306: CWE-636: Not Failing Securely ('Failing Open') in Microsoft Visual Studio Code
Not failing securely ('failing open') in Visual Studio Code allows an unauthorized attacker to bypass a security feature over a network.
AI Analysis
Technical Summary
This vulnerability in Visual Studio Code (CVE-2026-69306) involves a failure to fail securely ('failing open'), which permits an unauthorized attacker to bypass a security feature remotely. The flaw is identified as CWE-636. The CVSS v3.1 base score is 8.2, reflecting high severity with network attack vector, low attack complexity, no privileges required, and user interaction required. The impact includes high confidentiality loss and low integrity loss without availability impact. Microsoft has published an official fix for this issue.
Potential Impact
An attacker can bypass a security feature in Visual Studio Code remotely, potentially leading to unauthorized access to confidential information and partial integrity compromise. There is no impact on availability. The vulnerability requires user interaction but no privileges or complex attack conditions.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the vendor-provided patch as detailed in the Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69306 to remediate this vulnerability.
CVE-2026-69306: CWE-636: Not Failing Securely ('Failing Open') in Microsoft Visual Studio Code
Description
Not failing securely ('failing open') in Visual Studio Code allows an unauthorized attacker to bypass a security feature over a network.
CVSS v3.1
Score 8.2high
Affected software
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in Visual Studio Code (CVE-2026-69306) involves a failure to fail securely ('failing open'), which permits an unauthorized attacker to bypass a security feature remotely. The flaw is identified as CWE-636. The CVSS v3.1 base score is 8.2, reflecting high severity with network attack vector, low attack complexity, no privileges required, and user interaction required. The impact includes high confidentiality loss and low integrity loss without availability impact. Microsoft has published an official fix for this issue.
Potential Impact
An attacker can bypass a security feature in Visual Studio Code remotely, potentially leading to unauthorized access to confidential information and partial integrity compromise. There is no impact on availability. The vulnerability requires user interaction but no privileges or complex attack conditions.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the vendor-provided patch as detailed in the Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69306 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-08-03T20:46:07.441Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69306","vendor":"Microsoft"}]
Threat ID: 6a7b583cbf8831d539156719
Added to database: 08/11/2026, 17:13:32 UTC
Last enriched: 08/11/2026, 17:42:25 UTC
Last updated: 08/12/2026, 00:12:10 UTC
Views: 3
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