Made by Microsoft. 10 of its vulnerabilities are known to have been exploited.
The China-linked ransomware group Warlock targeted a water utility, a telecom provider, a regional government body, and a university by exploiting SharePoint vulnerabilities to gain initial access.
The group is exploiting a variety of vulnerabilities impacting Microsoft SharePoint, according to a new report from Symantec Threat Hunter Team.
The China-based hacking group has been exploiting SharePoint vulnerabilities since July 2025.
CISA has added two new vulnerabilities to its Known Exploited Vulnerabilities (KEV) Catalog , based on evidence of active exploitation. CVE-2026-65660 Microsoft SharePoint Code Injection Vulnerability CVE-2026-67279 Mikrotik RouterOS Improper Enforcement of Behavioral Workflow Vulnerability These types of vulnerabilities are a frequent attack vector for malicious cyber actors and pose significant risks to the…
CISA lists this as exploited in the wild. Unpatched SharePoint and RouterOS systems are exposed to active attacks now.
Apply the vendor's security update for SharePoint and RouterOS.
CISA added CVE-2026-65660 (Microsoft SharePoint) to its Known Exploited Vulnerabilities catalog on September 25, 2026, which means there is reliable evidence of exploitation in the wild. Microsoft SharePoint contains a code injection vulnerability which could allow an authorized attacker to execute code over a network.
CISA lists this as exploited in the wild. Unpatched SharePoint systems are exposed to active attacks now.
Apply the vendor's security update for SharePoint.
The latest developments from the last 30 days, newest first.
Warlock ransomware breach SharePoint in water, telecom operator attacks
Basis: Reporting by BleepingComputer
'Warlock' ransomware used in attacks on critical infrastructure in Portuguese, Spanish-speaking countries
Basis: Reporting by The Record by Recorded Future News
Warlock Expands SharePoint Exploitation in Critical Infrastructure Attacks
Basis: Reporting by SecurityWeek
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