SharePoint Zero-Day Exploitation

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Microsoft’s SharePoint Patch Failed To Stop Attacks

Mass Exploitation: Hackers Hit Zero-Day Flaw in Microsoft's SharePoint

The newly discovered flaw in Microsoft's SharePoint software has allowed hackers to target dozens of companies and organizations. Only a partial fix has been issued.

CSO Online · 1d

Microsoft’s incomplete SharePoint patch led to global exploits by China-linked hackers

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Microsoft SharePoint zero-day exploited in RCE attacks, no patch available

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Microsoft fixes three SharePoint zero-day exploits used in series of cyberattacks - how to patch them

Microsoft has patched two critical zero-day SharePoint security flaws that have already been exploited by hackers to attack vulnerable organizations.

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US Nuclear Body Among Those Impacted By SharePoint Breech

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Chinese Hackers Are Exploiting Flaws in Widely Used Software, Microsoft Says

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The SharePoint flaw has now hit over 400 companies including a US nuclear administration

The Eye Security researchers have cautioned that the number of companies hacked may still grow as there are ways to compromise servers that do not leave traces, and that other "opportunistic" hackers...

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What to know about ToolShell, the SharePoint threat under mass exploitation

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Microsoft seemingly confirms Chinese hackers behind SharePoint server attacks

SecurityWeek1d

ToolShell Attacks Hit 400+ SharePoint Servers, US Government Victims Named

More information has emerged on the ToolShell SharePoint zero-day attacks, including impact, victims, and threat actors.

The Hacker News4d

Critical Unpatched SharePoint Zero-Day Actively Exploited, Breaches 75+ Company Servers

The U.S. Cybersecurity and Infrastructure Security Agency (CISA), in an alert, said it's aware of active exploitation of CVE-2025-53770, which enables unauthenticated access to SharePoint systems and arbitrary code execution over the network.

Microsoft fixes SharePoint zero-day exploits used in cyberattacks and ransomware - how to patch them

Microsoft has pointed the finger at three Chinese nation-state actors for exploiting the SharePoint vulnerabilities. Here's what we know about the security flaws and how to guard against future attacks.