Reference page — cumulative record through Wednesday, August 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
Microsoft Microsoft Visual Studio Code CoPilot Chat Extension — CoPilot Chat Security Feature Bypass Vulnerability
AV AC PR UI S C I A CVSS EPSS %ile KEV
N L N R U N H N 6.5 .0048 39.4 —
AFFECTED
Product Versions Fixed
Microsoft Visual Studio Code CoPilot Chat Extension 0.27.0 – —
TIMELINE
Jul 22 Reserved by microsoft
Aug 11 Published (CNA: microsoft)
Aug 17 RESCORED — CVE-2026-65675 (Microsoft Visual Studio Code CoPilot Chat Extension). CVSS 7.1 → 6.5 (NVD).
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.
Lifecycle
Complete event history — 3 events, chronological
| Date | Event | Detail |
|---|
| July 22, 2026 | Reserved | Reserved by microsoft |
| August 11, 2026 | Published | Published (CNA: microsoft) |
| August 17, 2026 | RESCORED | RESCORED — CVE-2026-65675 (Microsoft Visual Studio Code CoPilot Chat Extension). CVSS 7.1 → 6.5 (NVD). |
Affected
Affected products and packages — 1 row
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
|---|
| Microsoft | Microsoft Visual Studio Code CoPilot Chat Extension | — | 0.27.0 | — |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-65675 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Wednesday, August 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.