Detections
Analytics
Microsoft Visual Studio Code CoPilot Chat Extension < 0.37.3 Information Disclosure (CVE-2026-23653)
medium Nessus Plugin ID 306455
Language:
Synopsis
The remote host has an application installed that is affected by an information disclosure vulnerability.Description
The Microsoft Visual Studio Code CoPilot Chat Extension installed on the remote host is prior to 0.37.3. It is, therefore, affected by an information disclosure vulnerability:- A remote, authenticated attacker can exploit this vulnerability to disclose sensitive information. User interaction is required. (CVE-2026-23653)
Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.
Solution
Update the Microsoft Visual Studio Code CoPilot Chat Extension to version 0.37.3 or later.See Also
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-23653
Plugin Details
Severity: Medium
ID: 306455
File Name: microsoft_visual_studio_code_CoPilot_0_37_3.nasl
Version: 1.3
Type: Local
Agent: windows
Family: Windows
Published: 4/14/2026
Updated: 4/20/2026
Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 4.4
CVSS v2
Risk Factor: Medium
Base Score: 6.8
Temporal Score: 5
Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:N/A:N
CVSS Score Source: CVE-2026-23653
CVSS v3
Risk Factor: Medium
Base Score: 5.7
Temporal Score: 5
Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
CVSS v4
Risk Factor: Medium
Base Score: 6.9
Threat Score: 4.6
Threat Vector: CVSS:4.0/E:U
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Vulnerability Information
CPE: cpe:/a:microsoft:visual_studio_code, cpe:/a:microsoft:github_copilot_chat
Required KB Items: installed_sw/Microsoft Visual Studio Code
Exploit Ease: No known exploits are available
Patch Publication Date: 4/14/2026
Vulnerability Publication Date: 4/14/2026
Reference Information
CVE: CVE-2026-23653
IAVA: 2026-A-0353