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Microsoft’s SharePoint Patch Failed To Stop Attacks

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.

CSO Online · 17h

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

· 3d · on MSN

New zero-day bug in Microsoft SharePoint under widespread attack

· 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.

· 15h

Tally of Microsoft victims surges to 400 as hackers exploit SharePoint flaw

· 23h

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

· 1d

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

Microsoft knew of SharePoint security flaw but failed to effectively patch it, timeline shows

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.

Nextgov8h

Pentagon not impacted by Microsoft Sharepoint hack, tech chief says

The department has been holding daily calls with Microsoft since the zero-day was discovered, the DOD CIO said at an event Thursday.

13hon MSN

Microsoft contains SharePoint security wildfire, but questions linger about on-premises software

Microsoft contained a major SharePoint security flaw, amid fresh questions about the future of its legacy on-premises software.

The Hacker News2d

Hackers Exploit SharePoint Zero-Day Since July 7 to Steal Keys, Maintain Persistent Access

Active SharePoint exploits since July 7 target governments and tech firms globally, risking key theft and persistent access.

SecurityWeek19h

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.

1don MSN

US nuclear weapons agency reportedly breached in Microsoft SharePoint attacks

Hours after Microsoft revealed hacking groups affiliated with the Chinese government have been exploiting a flaw in its SharePoint software, Bloomberg News reports that the National Nuclear Security Administration has also been breached in the attacks.

2don 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.