CVE-2026-70334: CWE-184: Incomplete List of Disallowed Inputs in Microsoft Visual Studio Code
Description
CVE-2026-70334 is a high-severity vulnerability in Microsoft Visual Studio Code where an incomplete list of disallowed inputs allows a local unauthorized attacker to bypass a security feature. This flaw affects versions from 1.0.0 up to but not including 1.136.2. An official fix is available from Microsoft.
CVSS v3.1
Score 7.8high
Affected software
Microsoft
Visual Studio Code
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability, identified as CWE-184 (Incomplete List of Disallowed Inputs), exists in Microsoft Visual Studio Code. It allows an unauthorized local attacker to bypass security features due to insufficient input validation. The issue affects Visual Studio Code versions >=1.0.0 and <1.136.2, including version 1.0.0 specifically. The CVSS v3.1 base score is 7.8, indicating high severity with impacts on confidentiality, integrity, and availability. Microsoft has published an official fix for this vulnerability.
Potential Impact
Successful exploitation can lead to bypassing security controls locally, resulting in high impact on confidentiality, integrity, and availability of the affected system. However, no known exploits are reported in the wild at this time.
Mitigation Recommendations
An official fix is available from Microsoft. Users should apply the patch provided by Microsoft to remediate this vulnerability. Refer to the Microsoft security update guide at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70334 for detailed remediation instructions.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-08-04T00:04:56.036Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70334","vendor":"Microsoft"}]
Threat ID: 6aa04539acd9273b49fa9b3b
Added to database: 09/08/2026, 17:26:17 UTC
Last enriched: 10/16/2026, 21:40:23 UTC
Last updated: 10/23/2026, 15:10:14 UTC
Views: 39
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