Critical SharePoint RCE CVE-2026-50522 Under Active Exploitation Afte… | HappeningNow.news
Published Date: July 21, 2026

Cybersecurity · 2 views

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 The Hacker News Corroboration 2 outlets AI Summary Updated 4h 48m ago
Story intelligence Beta
Freshness Fresh Updated 4h 48m ago
Confidence Confirmed Early multi-outlet coverage
Coverage 2 outlets
Views 2 Community interest
Read time 1 min ~59 words

AI Summary

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. The vulnerability in question is CVE-2026-50522 (CVSS score: 9.8), a critical deserialization of untrusted data in Microsoft Office SharePoint that could allow an unauthorized attacker to execute code over a network. Microsoft credited DEVCORE

Read full article on The Hackernews

AI summaries can be wrong sometimes—always verify important details using the source article.

More coverage on this topic

Sharepoint17 stories
View all Sharepoint coverage
SUPPORT HAPPENINGNOW · Independent AI News Intelligence
SUPPORTER MESSAGE

Enjoyed this article? Consider supporting HappeningNow to help keep independent AI-powered news analysis moving forward. Your contribution helps cover infrastructure, AI summaries, and continued platform development.

Support HappeningNow
Why It Matters Analysis by Happening Now AI

Cyber incidents can expose users, interrupt services, and force organizations to rethink security spending. The reputational and regulatory fallout often outlasts the technical fix.