CVE-2026-56163
An attacker can exploit multiple vulnerabilities in Microsoft Azure, Microsoft 365 Copilot, Microsoft Exchange, and Microsoft Apps Surface to escalate privileges, execute arbitrary code, manipulate data, or disclose confidential information.
CSIRTS triage
- What
- Multiple vulnerabilities can be exploited to escalate privileges, execute arbitrary code, manipulate data, or disclose confidential information.
- Who is affected
- Users of Microsoft Azure, Microsoft 365 Copilot, Microsoft Exchange, and Microsoft Apps Surface.
- Urgency
- Remediation is high urgency due to the severity and potential impact of the vulnerabilities.
- Action
- Update to the latest versions of the affected Microsoft products.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.90% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 56% of all EPSS-scored CVEs.
Advisory coverage (3)
- high[NEW] [high] Microsoft Azure, Copilot, Exchange, Surface: Multiple vulnerabilitiescert-bund · 2026-07-27
- criticalCVE-2026-56163: Missing authentication for critical function in Microsoft Azure Kubernetes Service allows an u…nvd · 2026-07-24
- criticalCVE-2026-56163: Microsoft Azure Kubernetes Service Elevation of Privilege Vulnerabilitymsrc · 2026-07-14
External references
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[](https://www.csirts.com/cve/CVE-2026-56163)