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Aktualizace pro SharePoint Server 2019 (August 2020 CU)

Pro SharePoint Server 2019 byla vydána nová kumulativní aktualizace (August 2020 CU).

SP Build:
16.0.10364.20001 (Language independent CU)
16.0.10364.20001 (Language dependent CU)

SharePoint 2019 CU – KB články popisující CU:

  • KB 4484472 – August 2020 Update for SharePoint Server 2019 (language independent)
  • KB 4484471 – August 2020 Update for SharePoint Server 2019 (language dependent
  • KB 4484470 – August 2020 Update for Office Online Server

SharePoint Server 2019 CU – Odkaz ke stažení CU:

Po dokončení instalace nezapomeňte na spuštění průvodce konfigurací služby SharePoint 2019 (SharePoint 2019 Products Configuration Wizard), nebo příkazu:
PSConfig.exe -cmd upgrade -inplace b2b -wait -cmd applicationcontent -install -cmd installfeatures -cmd secureresources -cmd services -install

Upozornění

Vždy instalujte oba balíčky a to v pořadí:

  1. language independent (aktualizuje jazykové nezávislé komponenty)
  2. language dependent (aktualizuje jazykové závislé komponenty)

V případě jazykově závislých balíčku (language dependent) nezáleží jaký jazyk si ve výsledku vyberete, jelikož každý balíček obsahuje aktualizace pro všechny jazyky.

V případě, že na SharePoint Server 2019 farmu instalujete nový jazykový balíček, je nutné následně znova nainstalovat jazykové závislý balíček (language dependent).

Nezapomínejte, že krom SharePoint je nutné mít aktualizovanou i službu Distributed Cache, viz. Jak správně aktualizovat Distributed Cache a v případě Office Online Serveru musíte mít aktuální RTM verzi, viz.  Jak aktualizovat Office Online Server.

Obsažené opravy a vylepšení

Seznam oprav a vylepšení tohoto CU je soubor výňatků z oficiálních Microsoft KB článků v původním jazyce (EN).

SharePoint Server 2019

This security update resolves vulnerabilities in Microsoft Office that could allow remote code execution if a user opens a specially crafted Office file. To learn more about these vulnerabilities, see the following security advisories:

This security update resolves an information disclosure vulnerability that exists when Microsoft Word incorrectly discloses the contents of its memory. To learn more about the vulnerability, see Microsoft Common Vulnerabilities and Exposures CVE-2020-1502.

This security update contains the following improvements and fixes for SharePoint Server 2019:

  • The accessibility experience of the SharePoint App Launcher has been improved for better integration with assistive technologies.
  • Friendly URLs aren’t crawled through incremental or continuous crawls.
  • Corrects the wrong time format of yyyy-MM-ddTHH:mm:ssZ when a calculated column value is displayed in a list view that is configured by having the Expanded option for its Group By setting.
  • Fixes an issue in which manager information is missing when you use an external identity manager.
  • Fixes an issue in which the role of Site-Brand-Bar is incorrect.
  • The OneDrive sync app supports push notification and polling as two different mechanisms to discover changes in the documents that it syncs. Push notification is preferred because it allows SharePoint to notify the OneDrive sync app of changes in real time. This eliminates the computational cost of scanning for changes at regular intervals.

    Push notification requires both the OneDrive sync app and the SharePoint farm to have network connectivity to Windows Push Notification Services (WNS) in the cloud. If the OneDrive sync app cannot establish a push notification relationship with the SharePoint farm and WNS, it uses polling instead. Polling scans for changes in documents at regular intervals.

    SharePoint farm administrators can now control how often the OneDrive sync app scans for changes in a web application when they use the polling mechanism. Use the following PowerShell commands on the SharePoint server to modify the polling interval:

    $webapp = Get-SPWebApplication <web application URL>
    $syncpolicy = $webapp.SyncPolicySettings
    $syncpolicy.BackgroundPollShortIntervalSecondsStart = <minimum polling interval in seconds>
    $syncpolicy.BackgroundPollShortIntervalSecondsEnd = <maximum polling interval in seconds>
    $syncpolicy.Update()

    Note Test modifications to the polling interval to make sure that your production environment has sufficient capacity to handle the changes in the computational load. Microsoft recommends that you use push notification instead of polling, if it is possible.

This security update also fixes the following issues. To fix these issues completely, you have to install KB 4484471 together with this update:

  • The view name does not change when you use Group By.
  • Adding a document link does not return you to the library.
  • A multichoice person column is not displayed correctly in modern view.
  • The Aria-labelledby attribute value is invalid.
  • The home page title is not descriptive enough.
  • A banner landmark must not be contained inside another landmark.
  • The title of Frame is missing in Create Site.
  • If a user navigates to a custom list and opens the Links list in JAWS by using the Alt+F7 keyboard shortcut to see all links on the page, each item in the custom list shows the Open Menu link to open the Edit Control Block (ECB) menu. In this situation, it is not possible to determine which item each link belongs to.
This security update contains fixes for the following nonsecurity issues in Project Server 2019:

  • Sites that have many timesheets or timesheet views may experience a time-out when you create or modify timesheet views. This may make it impossible to create timesheets or open existing timesheets.
  • When you follow a procedure to link a project task to an Issue or Risk within the Asset Picker table, items such as Issues, Documents, Tasks, and Deliverables are missing.

This security update contains fixes for the following issues in SharePoint Server 2019. To fix these issues completely, you have to install KB 4484472 together with this update:

  • The view name does not change when you use Group By.
  • Adding a document link does not return you to the library.
  • A multichoice person column is not displayed correctly in modern view.
  • The Aria-labelledby attribute value is invalid.
  • The home page title is not descriptive enough.
  • A banner landmark must not be contained inside another landmark.
  • The title of Frame is missing in Create Site.
  • If a user navigates to a custom list and opens the Links list in JAWS by using the Alt+F7 keyboard shortcut to see all links on the page, each item in the custom list shows the Open Menu link to open the Edit Control Block (ECB) menu. In this situation, it is not possible to determine which item each link belongs to.

Office Online Server

This security update resolves vulnerabilities in Microsoft Office that could allow remote code execution if a user opens a specially crafted Office file. To learn more about these vulnerabilities, see the following security advisories:


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