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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.

· 4d · on MSN

New zero-day bug in Microsoft SharePoint under widespread attack

· 3d · on MSN

What to know about a vulnerability being exploited on Microsoft SharePoint servers

· 1d

US Nuclear Body Among Those Impacted By SharePoint Breech

Jake, when Bloomberg broke the story last night about this particular agency being hacked there is responsible for the development and disposal of nuclear weapons.

· 1d

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

· 9h

Microsoft says China-based hackers exploiting critical SharePoint vulnerabilities to deploy Warlock ransomware — three China-affiliated threat actors seen taking advantage

· 2d

Microsoft Server Hack Has Now Hit 400 Victims, Researchers Say

Eye Security says the figure is likely an undercount.

· 1d

Microsoft says some SharePoint server hackers now use ransomware

· 1d

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

1don MSN

Hundreds of organizations breached by SharePoint mass-hacks

One of the hacked organizations reportedly includes the U.S. agency responsible for maintaining the country's stockpile of nuclear weapons. China-backed hackers have been observed carrying out the hacks targeting SharePoint servers.

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.

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.

3don MSN

Hackers exploiting SharePoint zero-day seen targeting government agencies

The hackers behind the initial wave of attacks exploiting a zero-day in Microsoft SharePoint servers have so far primarily targeted government organizations, according to researchers as well as news reports. The Washington Post reported

Asianet Newsable on MSN2d

US Nuclear Weapons Agency Reportedly Hit In Microsoft ‘Zero-Day’ Breach — DOE Says Impact Was Minimal

Providing additional updates on the breach, Microsoft said in a blog post on Tuesday that two Chinese nation-state operators, Linen Typhoon and Violet Typhoon, exploited vulnerabilities in the internet-facing SharePoint servers.

3don MSN

Microsoft SharePoint vulnerability: Why MS has released a 'zero-day' urgent update and who is at risk

Microsoft has released a critical patch for a security flaw in its SharePoint software. Hackers actively exploited this vulnerability, targeting businesses and US government agencies. The company issued the fix between July 19 and 20.