CVE-2025-53770 and CVE-2025-53771 represent significant vulnerabilities in Microsoft SharePoint, impacting on-premises versions actively used in many environments, including critical infrastructure. Their simplicity of exploitation allows attackers to execute code without needing to authenticate, making them especially dangerous. Once a hacker achieves Remote Code Execution (RCE), they can explore other system areas integrated with SharePoint, such as Office and Teams. Organizations should take immediate action to address these vulnerabilities, as patching alone may not be sufficient for protection.
CVE-2025-53770 and CVE-2025-53771 are serious vulnerabilities due to their combination of easy execution and high impact. Attackers can run code without authenticating.
The affected SharePoint versions, including Server 2019 and 2016, remain widely used, particularly in environments that cannot transition to online versions, making them attractive targets.
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