Critical SharePoint RCE CVE-2026-50522 Under Active Exploitation Afte… | HappeningNow.news

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Critical SharePoint RCE CVE-2026-50522 Under Active Exploitation After Public PoC

A third SharePoint Server flaw patched by Microsoft as part of its Patch Tuesday update for July 2026 has come under active exploitation, per watchTowr.

Source AI Summary Published July 21, 2026 Brief Under 1 min brief
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Coverage Single outlet Single-outlet story
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Brief read Under 1 min brief 81 words

AI Summary

A critical vulnerability in Microsoft's SharePoint Server has been identified as actively exploited by attackers. The vulnerability, CVE-2026-50522, is a remote code execution (RCE) flaw that allows unauthorized access to execute code over a network. This is due to a deserialization of untrusted data in Microsoft Office SharePoint. Microsoft has credited DEVCORE with discovering the issue, which was patched as part of the company's July 2026 Patch Tuesday update. The vulnerability's CVSS score is 9.8, indicating a high level of severity.

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