CVE-2026-65675

CoPilot Chat Security Feature Bypass Vulnerability

MEDIUM
6.5
CVSS Score
Published: August 11, 2026 at 05:04 PM UTC
Updated: October 24, 2026 at 04:10 PM UTC
1 product affected across 1 vendorGitHub Copilot Chat· also runs on 1 platform

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Severity
MEDIUM6.5
Exploit prediction
EPSS 0.6%
SSVC
No known exploit

Description

No cwe for this issue in Visual Studio Code CoPilot Chat Extension allows an unauthorized attacker to bypass a security feature over a network.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

All versions0.27.0
Affected range stops below 1.132.1, so it looks safe — our inference, not a vendor statement
microsoft-visual-studio-code (environment)

Runs on — not affected

The affected product only carries this flaw when running on these platforms. The platforms themselves are not vulnerable.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (1)

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-284NVD-CWE-noinfoCWE-862

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