VDB
msrc_CVE-2026-26164
msrc_CVE-2026-26164
PUBLISHED
CVSS 7.5 HIGH
Risk Scores
CVSS 3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Microsoft 365 Copilot's Business Chat |
Exploit Intelligence
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26164 (circl)
- https://msrc.microsoft.com/csaf/advisories/2026/msrc_cve-2026-26164.json (circl)
- https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1 (circl)
- https://support.microsoft.com/lifecycle (circl)
- https://www.first.org/cvss (circl)
Timeline
- May 7, 2026 CVE Published
- May 8, 2026 Security Advisory
- May 8, 2026 Security Advisory