SharePoint Vulnerability Exploitation

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SharePoint, active exploitation

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· 3d

SharePoint vulnerability with 9.8 severity rating under exploit across globe

The vulnerability, tracked as CVE-2025-53770, carries a severity rating of 9.8 out of a possible 10.

Microsoft · 3d

Disrupting active exploitation of on-premises SharePoint vulnerabilities

· 3d · on MSN

Microsoft SharePoint attack: Officials issue warning about 'active exploitation'

· 1d

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.

· 1d

US Nuclear Body Among Those Impacted By SharePoint Breech

· 13h

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

· 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.

· 22h

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

· 2d

Microsoft servers hacked by Chinese groups, says tech giant

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

The name was coined by Dinh Ho Anh, a researcher from Khoa of Viettel Cyber Security, who developed the exploit. The researcher said he picked the name because it exploited ToolPane.aspx, a component for assembling the side panel view in the SharePoint user interface.

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.

Government Technology2d

As SharePoint Exploit Emerged, State Cyber Teams Mobilized

State CISOs in North Carolina and Arizona said their teams began work immediately to ensure on-prem SharePoint systems were secure, following the recent disclosure of an active zero-day exploit.

Federal News Network3d

Agencies face tight deadline to mitigate SharePoint vulnerability

CISA gave agencies until the end of the day on Monday to mitigate a severe zero-day vulnerability in Microsoft's widely used SharePoint software.

Nextgov3d

Threat intel firms on alert for government systems impacted by Microsoft SharePoint vulnerability

Governments, schools, healthcare providers and large enterprise firms are at risk, one cyber threat intelligence chief said.