Critical Microsoft 365 Copilot Flaws: What Organizations Need to Know

Critical Microsoft 365 Copilot Flaws: What Organizations Need to Know

Microsoft has disclosed and silently remediated three critical information-disclosure vulnerabilities in Microsoft 365 Copilot and Copilot Chat in Microsoft Edge. The flaws—CVE-2026-26129, CVE-2026-26164, and CVE-2026-33111—were published on May 7, 2026, and Microsoft reports that mitigations were deployed on the cloud side so that no customer action or patch installation is required. While that immediate remediation reduces near-term risk, the underlying

90 Zero‑Days in 2025: Google’s Snapshot of an Evolving Exploit Economy

90 Zero‑Days in 2025: Google’s Snapshot of an Evolving Exploit Economy

Google’s Threat Intelligence Group reported 90 zero‑day vulnerabilities actively exploited in the wild across 2025. That total sits above 2024’s 78 but below the record 100 observed in 2023. Beyond the raw count, the GTIG data reveals a notable shift in where and how these flaws were used, who is using them, and which technical weaknesses continue to drive high‑impact