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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 · 16h

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

· 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.

· 22h

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

· 1d

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

· 23h

Microsoft says some SharePoint server hackers now use ransomware

The disclosure marks a potential escalation in the campaign, which has already hit at least 400 victims, according to Netherlands-based cybersecurity firm Eye Security.

· 16h

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

· 1d

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

Hacker Used SharePoint Flaw to Breach US Nuclear Agency

Digest more

· 1d · on MSN

Hundreds of organizations breached by SharePoint mass-hacks

Security researchers say hackers have breached at least 400 organizations by exploiting a zero-day vulnerability in Microsoft SharePoint, signaling a sharp rise in the number of detected compromises s...

PCMag on MSN · 1d

Report: Hacker Used SharePoint Flaw to Breach US Nuclear Agency

· 1d · on MSN

Nuclear Weapons Agency Breached in Microsoft SharePoint Hack

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.

12hon 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.

SecurityWeek18h

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 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.

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.

10m

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

Microsoft said that critical vulnerabilities in SharePoint are being exploited by a potentially China-linked threat actor, Storm-2603, to deploy ransomware.