CYBERHAWK / CVE / CVE-2026-26164
CVE-2026-26164
M365 Copilot
HIGH
CVSS 7.5
ai
vibe
The flaw
Output injection vulnerability allows information disclosure over network.
What to do
Apply Microsoft security update
References
In the news
- Critical Microsoft 365 Copilot Vulnerabilities Expose sensitive InformationCyberSecurityNews · 2026-05-09
- ⚡ Weekly Recap: Linux Rootkit, macOS Crypto Stealer, WebSocket Skimmers and MoreThe Hacker News · 2026-05-11
- Critical Microsoft 365 Copilot Vulnerabilities Expose Sensitive Informationcyberpress.org · 2026-05-11