NET Framework's and types read XML-serialized data. NET Framework validates the source markup of XML content. The security update addresses the vulnerability by correcting how. To exploit this vulnerability, an attacker could upload a specially crafted document to a server utilizing an affected product to process content. An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the process responsible for deserialization of the XML content. NET Framework when the software fails to check the source markup of XML file input. SummaryĪ remote code execution vulnerability exists in. For more information, see Add language packs to Windows. Therefore, we recommend that you install any language packs that you need before you install this update. IMPORTANT If you install a language pack after you install this update, you must reinstall this update. The v2 update corrects the issue for customers who could not install the v1 update. The v1 update did not install for customers who had certain ESU configurations. On July 23, 2020, update KB4565586 v2 was released to replace v1 for. You should install this version (V3) of the update as part of your normal security routine. On October 13th, 2020 we are republishing this update to resolve a known issue that affected the original release. On April 13th, 2021, this update was released to replace a previous release of this update.
.net framework 4.6.1 download windows 7 how to#
Follow the instructions under How to obtain and install the update to get the updated version. If you've already installed a previous release of this update, no action is required. On June 8th, 2021, this update was released to replace a previous update to address a “revocation server was offline” error that may occur during installation.
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See the Known Issues section of this article for details. On February 2nd, 2022, guidance was added to this article regarding how to install security-only updates after some changes were made to the ESU program.