CVE-2026-65675ImportantRevised 24 Sep
CoPilot Chat Security Feature Bypass Vulnerability
Assessment
No cwe for this issue in Visual Studio Code CoPilot Chat Extension allows an unauthorized attacker to bypass a security feature over a network.
- Severity
- Important
- CVSS base score
- 7.1CVSS:3.1/
AV:N/ AC:L/ PR:N/ UI:R/ S:U/ C:N/ I:H/ A:L/ E:U/ RL:O/ RC:C - Impact
- Security Feature Bypass
- EPSS, next 30 days
- 0.6%Higher than 48.5% of scored CVEs · FIRST model run 26 Sep 2026 · about EPSS
- Exploitability
- Exploitation Less Likely
- Publicly disclosed
- No
- Customer action
- Required: apply the update
- Component
- Visual Studio Code CoPilot Chat Extension
- Weakness
- CWE-862: Missing Authorization
- Issued by
- Microsoft
- Published
- 11 Aug 2026 · August 2026
- Last revised
- 24 Sep 2026Updated the fixed version information and download link. The fix was previously believed to be included in Dynamics 365 Server (on-premises) version 6.2; however, it has been confirmed that the fix is included in Dynamics 365 Server v9.1 (on-premises) Update 1.45 (version 9.1.0045.0011). The downlo…
Updates that fix it
0 KBsNo KB listed
MSRC lists no downloadable update, which usually means a service-side fix or a release-notes update. Check the MSRC advisory.
Affected products
Developer Tools1 affected product
- Microsoft Visual Studio Code CoPilot Chat Extension