CVE-2026-58616
Copilot Chat (Microsoft Edge) Information Disclosure Vulnerability
MEDIUM 4.4
At a glance
- Source
- NVD
- EPSS
- EPSS 0.29 % · percentile 22 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- microsoft
- NVD status
- Analyzed
Description
Concurrent execution using shared resource with improper synchronization ('race condition') in Copilot Chat (Microsoft Edge) allows an authorized attacker to disclose information over a network.
Weaknesses (CWE)
- CWE-362 — Race Condition
References
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | MEDIUM 4.4 | CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C | microsoft |
| CVSS 3.1 | MEDIUM 4.4 | CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:N | NVD · secure@microsoft.com (Secondary) |
| CVSS 3.1 | LOW 3.0 | CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:N/A:N | NVD · nvd@nist.gov (Primary) |
European references
- ENISA EUVD · EUVD-2026-67847
- GCVE · GCVE-0-2026-58616
CERT-FR advisories
- CERTFR-2026-AVI-1096 — Multiples vulnérabilités dans Microsoft Edge · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
cpe:2.3:a:microsoft:edge_chromium:*:*:*:*:-:*:*:*< 152.0.4191.53
Affected products
| Product | Versions |
|---|---|
| Microsoft · Microsoft Edge (Chromium-based) | affected 1.0.0.0 < 152.0.4191.53 |
| Microsoft · Microsoft Edge for Android | affected 1.0.0.0 < 152.0.4191.52 |
| Microsoft · Microsoft Edge for iOS | affected 1.0.0.0 < 152.0.4191.52 |
| Microsoft · Microsoft Edge for Linux | affected 1.0.0 < 152.0.4191.52 |
| Microsoft · Microsoft Edge for MAC | affected 1.0.0.0 < 152.0.4191.52 |
| Microsoft · Microsoft Edge for Windows | affected 1.0.0.0 < 152.0.4191.52 |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |