POC github.com/hypnguyen1209 Aug 26, 2026 by hypnguyen1209

Unauthenticated RCE on SharePoint: CVE-2026-55040 JWT Bypass Chained with CVE-2026-63520 Type Instantiation

Analysis

Detailed AI-generated intelligence summary covering attack vector, impact assessment, affected versions, remediation steps, and indicators of compromise.

POChttps://••••••••••.com/exploit

PATCHhttps://••••••••••.com/patch

ADVISORYhttps://••••••••••.com/advisory

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Related CVEs

CVE-2026-63520