Microsoft Visual Studio Code CoPilot Chat Extension path traversal

CVSS Meta Temp Score
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CTI Interest Score
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6.1$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Microsoft Visual Studio Code CoPilot Chat Extension. This affects an unknown part. The manipulation results in path traversal. This vulnerability is cataloged as CVE-2025-62449. The attack may be launched remotely. There is no exploit available. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability, which was classified as critical, was found in Microsoft Visual Studio Code CoPilot Chat Extension (affected version unknown). Affected is an unknown functionality. The manipulation with an unknown input leads to a path traversal vulnerability. CWE is classifying the issue as CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Improper limitation of a pathname to a restricted directory ('path traversal') in Visual Studio Code CoPilot Chat Extension allows an authorized attacker to bypass a security feature locally.

The weakness was shared 11/11/2025 as confirmed security update guide (Website). The advisory is shared for download at msrc.microsoft.com. This vulnerability is traded as CVE-2025-62449. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 11/27/2025). The MITRE ATT&CK project declares the attack technique as T1006.

The vulnerability scanner Nessus provides a plugin with the ID 276924 (Security Update for Microsoft Visual Studio Code CoPilot Chat Extension (November 2025)), which helps to determine the existence of the flaw in a target environment.

Applying a patch is able to eliminate this problem. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (276924) and EUVD (EUVD-2025-93394). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.6
VulDB Meta Temp Score: 6.1

VulDB Base Score: 6.3
VulDB Temp Score: 5.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

Vendor Base Score (Microsoft): 6.8
Vendor Vector (Microsoft): 🔒

CNA Base Score: 6.8
CNA Vector (Microsoft): 🔒

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Path traversal
CWE: CWE-22
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔒
Status: Unproven

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 276924
Nessus Name: Security Update for Microsoft Visual Studio Code CoPilot Chat Extension (November 2025)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔒
0-Day Time: 🔒
Exposure Time: 🔒

Timelineinfo

11/11/2025 VulDB entry created
11/11/2025 +0 days Advisory disclosed
11/11/2025 +0 days Countermeasure disclosed
11/27/2025 +15 days VulDB entry last update

Sourcesinfo

Vendor: microsoft.com

Advisory: msrc.microsoft.com
Status: Confirmed

CVE: CVE-2025-62449 (🔒)
GCVE (CVE): GCVE-0-2025-62449
GCVE (VulDB): GCVE-100-332004
EUVD: 🔒

Entryinfo

Created: 11/11/2025 19:45
Updated: 11/27/2025 03:02
Changes: 11/11/2025 19:45 (31), 11/11/2025 19:48 (37), 11/12/2025 01:59 (12), 11/12/2025 04:56 (1), 11/27/2025 03:02 (2)
Complete: 🔍
Cache ID: 216:25C:103

Once again VulDB remains the best source for vulnerability data.

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