To get the standalone package for this update, go to the Microsoft Update Catalog website.įor a list of the files that are provided in this update, download the file information for cumulative update.As a reminder to advanced IT administrators, updates to. This update will be downloaded and installed automatically from Windows Update. Microsoft is not currently aware of any issues in this update. NET Framework web application handles web requests. The update addresses the vulnerability by correcting how the. A remote unauthenticated attacker could exploit this vulnerability by issuing specially crafted requests to the. The vulnerability can be exploited remotely, without authentication. An attacker who successfully exploited this vulnerability could cause a denial of service against a. NET Framework improperly handles web requests. To learn more about the vulnerabilities, go to the following Common Vulnerabilities and Exposures (CVE).Ī denial of service vulnerability exists when. NET Framework checks the source markup of a file. The security update addresses the vulnerability by correcting how. In an email attack scenario, an attacker could exploit the vulnerability by sending the specially crafted file to the user and convincing the user to open the file.

Exploitation of the vulnerability requires that a user open a specially crafted file with an affected version of.

Users whose accounts are configured to have fewer user rights on the system could be less impacted than users who operate with administrative user rights. An attacker could then install programs view, change, or delete data or create new accounts with full user rights. If the current user is logged on with administrative user rights, an attacker could take control of the affected system. An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the current user. NET Framework software when the software fails to check the source markup of a file. A remote code execution vulnerability exists in.

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