CVE-2025-21264 | BDVDB-2026-278447 Detail

MicrosoftMicrosoft Visual Studio Code CoPilot Chat Extension

Description#

Files or directories accessible to external parties in Visual Studio Code allows an unauthorized attacker to bypass a security feature locally.

Per CVSS v3.1: confidentiality impact high, integrity impact low, availability impact none. Attack vector: local.

No public exploit known

7.1 High

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 56.5.

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Not classified

No specific action is recorded in the source data. Check the references for vendor guidance.

Not available

7.1 High

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N/E:U/RL:O/RC:C

Not available

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).