The critical-severity security defect allows remote, authenticated attackers to execute arbitrary code on the server.
The post Fresh SharePoint Vulnerability Exploited Soon After Disclosure appeared first on SecurityWeek.
CISA Warns of Actively Exploited Microsoft SharePoint Vulnerability
CISA says threat actors are exploiting a recently patched SharePoint remote code execution vulnerability (CVE-2026-45659).
The post CISA Warns of Actively Exploited Microsoft SharePoint Vulnerability appeared first on SecurityWeek.
Microsoft Patches Exploited SharePoint Zero-Day and 160 Other Vulnerabilities
Experts say this is the second-largest Microsoft Patch Tuesday ever based on CVE count.
The post Microsoft Patches Exploited SharePoint Zero-Day and 160 Other Vulnerabilities appeared first on SecurityWeek.
CISA Warns of Attacks Exploiting Recent SharePoint Vulnerability
The SharePoint remote code execution vulnerability CVE-2026-20963, which Microsoft patched in January, has been exploited in the wild.
The post CISA Warns of Attacks Exploiting Recent SharePoint Vulnerability appeared first on SecurityWeek.
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 post ToolShell Attacks Hit 400+ SharePoint Servers, US Government Victims Named appeared first on SecurityWeek.
Microsoft Says Chinese APTs Exploited ToolShell Zero-Days Weeks Before Patch
Microsoft says the Chinese threat actors Linen Typhoon, Violet Typhoon, and Storm-2603 have been exploiting the ToolShell zero-days.
The post Microsoft Says Chinese APTs Exploited ToolShell Zero-Days Weeks Before Patch appeared first on SecurityWeek.
ToolShell Zero-Day Attacks on SharePoint: First Wave Linked to China, Hit High-Value Targets
More details emerged on the ToolShell zero-day attacks targeting SharePoint servers, but confusion remains over the vulnerabilities.
The post ToolShell Zero-Day Attacks on SharePoint: First Wave Linked to China, Hit High-Value Targets appeared first on SecurityWeek.
Microsoft Patches ‘ToolShell’ Zero-Days Exploited to Hack SharePoint Servers
Microsoft has started releasing updates to fix the exploited SharePoint zero-days tracked as CVE-2025-53770 and CVE-2025-53771.
The post Microsoft Patches ‘ToolShell’ Zero-Days Exploited to Hack SharePoint Servers appeared first on SecurityWeek.
SharePoint Under Attack: Microsoft Warns of Zero-Day Exploited in the Wild – No Patch Available
Enterprises running SharePoint servers should not wait for a fix for CVE-2025-53770 and should commence threat hunting to search for compromise immediately.
The post SharePoint Under Attack: Microsoft Warns of Zero-Day Exploited in the Wild – No Patch Available appeared first on SecurityWeek.
CISA: Second SharePoint Flaw Disclosed at Pwn2Own Exploited in Attacks
CISA says a second SharePoint vulnerability demonstrated last year at Pwn2Own, CVE-2023-24955, has been exploited in the wild.
The post CISA: Second SharePoint Flaw Disclosed at Pwn2Own Exploited in Attacks appeared first on SecurityWeek.
