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vulnerabilities
Critical SharePoint RCE CVE-2026-50522 Under Active Exploitation After Public PoC
Microsoft SharePoint vulnerability CVE-2026-50522, patched in July 2026 with a critical CVSS score of 9.8, is now being actively exploited in the wild according to watchTowr. The flaw allows remote code execution through deserialization of untrusted data in SharePoint Server without requiring authentication.
Why it matters: Organizations running unpatched SharePoint Server instances face immediate risk of remote code execution by attackers; patch deployment should be prioritized as a critical remediation step.
- Source published
- First seen by Cybersecurity Tracker
Source attribution
Correction
Correction recorded as of .
vulnerabilities
Critical SharePoint RCE CVE-2026-50522 Under Active Exploitation After Public PoC
Microsoft SharePoint vulnerability CVE-2026-50522, patched in July 2026 with a critical CVSS score of 9.8, is now being actively exploited in the wild according to watchTowr. The flaw allows remote code execution through deserialization of untrusted data in SharePoint Server without requiring authentication.
Why it matters: Organizations running unpatched SharePoint Server instances face immediate risk of remote code execution by attackers; patch deployment should be prioritized as a critical remediation step.
- Source published
- First seen by Cybersecurity Tracker