Public PoC triggers active exploitation of critical SharePoint RCE vulnerability CVE-2026
Vulnerabilities mentioned
All| CVE | Vulnerability | CVSS | EPSS | Signals | Published |
|---|---|---|---|---|---|
| CVE-2026-20963 | Deserialization RCE in Microsoft SharePoint Exploited in the Wild | 9.8 | 29% | KEV | KEV |
| CVE-2026-32201 | Improper Input Validation Spoofing Vulnerability in Microsoft SharePoint Server | 6.5 | 43% | KEV | KEV |
| CVE-2026-45659 | Authenticated Deserialization RCE in Microsoft SharePoint Server (Actively Exploited) | 8.8 | 80% | KEVRansomware | KEV |
CVE-2026-58644+1 related CVE | Unauthenticated Deserialization RCE in Microsoft SharePoint Server | 9.8 | 16% | KEV | KEV |
From the original article
3 min read at securityaffairs.com
Critical SharePoint RCE vulnerability CVE-2026-50522 is under active exploitation after the release of a PoC exploit code. A critical Microsoft SharePoint vulnerability, tracked as CVE-2026-50522 (CVSS score of 9. 8), is being actively exploited following the release of a public proof-of-concept (PoC) code, according to watchTowr researchers.
By @securityaffairs · securityaffairs.com
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