CVE-2026-62910
A remote, authenticated attacker can exploit multiple vulnerabilities in Microsoft Exchange to gain elevated rights—including SYSTEM rights—bypass security measures, execute arbitrary code, manipulate or disclose data, perform spoofing attacks, and trigger a denial-of-service condition.
CSIRTS triage
- What
- Multiple vulnerabilities in Microsoft Exchange Server allow authenticated remote attackers to execute arbitrary code, bypass security, escalate privileges, disclose data, perform spoofing, and cause denial of service.
- Who is affected
- All Microsoft Exchange Server deployments with authenticated user access are affected.
- Urgency
- High; not yet exploited but provides complete system compromise path including SYSTEM-level code execution.
- Action
- Apply Microsoft's latest security patches for Exchange Server immediately upon availability.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.68% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 49% of all EPSS-scored CVEs.
Advisory coverage (5)
- high[NEW] [high] Microsoft Exchange Server: Multiple vulnerabilitiescert-bund · 2026-08-12
- unknownNCSC-2026-0289 [1.00] [M/H] Vulnerabilities fixed in Microsoft Exchange Serverncsc-nl · 2026-08-12
- unknownMultiple vulnerabilities in Microsoft products (August 12, 2026)cert-fr-avis · 2026-08-12
- highCVE-2026-62910: Improper control of resource identifiers ('resource injection') in Microsoft Exchange Server a…nvd · 2026-08-11
- highCVE-2026-62910: Microsoft Exchange Server Elevation of Privilege Vulnerabilitymsrc · 2026-08-11
External references
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