Security
Critical SharePoint RCE CVE-2026-50522 Under Active Exploitation After Public PoC
The Hacker News·July 21, 2026·1 min read
Microsoft's July 2026 Patch Tuesday fix for SharePoint CVE-2026-50522 is under active exploitation, per watchTowr. The critical deserialization flaw (CVSS 9.8) allows unauthorized remote code execution over a network. Microsoft credited DEVCORE for reporting the vulnerability. Organizations are urged to apply the patch immediately to prevent attacks.
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