EUVD-2021-13644

Malware in sbrugna...

Newly published App-V applications are not visible to end users

After most recent upgrade of Web Studio users are not able to see newly published App-V packages/applications. This issue affects only newly published App-V applications...

Citrix Virtual Apps and Desktops - Unable to EDIT Published DualAdmin APP-V application in WebStudio

Admin cannot edit some of the published applications. Affected applications: Dual Admin APP-V Applications Error displayed: More details: Action Name: APPApplicationPropertiesException: StudioErrorId : UnknownError Error Source : CitrixAppVService Sdk Error Message : Cannot process command becaus...

Citrix Virtual Apps and Desktops - Unable to launch APP-V application from the VDA

When user tries to launch published app-v application there is an error displayed: The application failed to launch. This may be due to a network failure...

Citrix Virtual Apps and Desktops - Error displayed in WebStudio when publishing DualAdmin App-V app

You try to publish app-v applications from app-v package and you use Dual Admin mode Microsoft Management and Publishing servers are used. When you try to do this from Applications or Delivery Group node, there is an error displayed and applications are not listed. Example: When you try to perfor...

November 14, 2023—KB5032202 (OS Build 25398.531)

November 14, 2023—KB5032202 OS Build 25398.531 For information about Windows update terminology, see the article about the types of Windows updates and the monthly quality update types. For an overview of Windows Server, version 23H2, see its update history page. Improvements This security update...

November 14, 2023—KB5032198 (OS Build 20348.2113)

November 14, 2023—KB5032198 OS Build 20348.2113 For information about Windows update terminology, see the article about the types of Windows updates and the monthly quality update types. For an overview of Windows Server 2022, see its update history page. Note Follow @WindowsUpdate to find out wh...

November 14, 2023—KB5032196 (OS Build 17763.5122) - EXPIRED

November 14, 2023—KB5032196 OS Build 17763.5122 - EXPIRED EXPIRATION NOTICEIMPORTANT As of March 31, 2026, this update is no longer available from the Microsoft Update Catalog or other release channels. We recommend that you update your devices to the latest version of Windows. 11/17/20 For...

ConfigSync Failure May Be Seen When Delivering App-V, MSIX, or MSIX App Attach Packages

For customers using Delivery Controller Version 2308 and delivering App-V, MSIX or MSIX app attach packages through Citrix, errors with the source “Citrix ConfigSync Service” and the Event ID “505” may be logged to the Windows Event Viewer on Delivery Controllers with the following message: “The...

Privilege escalation

An arbitrary file upload vulnerability in Teller Web App v.4.4.0 allows a remote attacker to execute arbitrary commands and obtain sensitive information via uploading a crafted file...

CVE-2023-42362

An arbitrary file upload vulnerability in Teller Web App v.4.4.0 allows a remote attacker to execute arbitrary commands and obtain sensitive information via uploading a crafted file...

APT28 attack uses old PowerPoint trick to download malware

Researchers at Cluster25 have published research about exploit code that's triggered when a user moves their mouse over a link in a booby-trapped PowerPoint presentation. The code starts a PowerShell script that downloads and executes a dropper for Graphite malware. Graphite is named after...

September 20, 2022—KB5017379 (OS Build 17763.3469) Preview

September 20, 2022—KB5017379 OS Build 17763.3469 Preview REMINDER 9/20/22 After today, September 20, 2022, there will no longer be optional, non-security releases known as "C" or preview releases for the 2019 LTSC editions and Windows Server 2019. Only cumulative monthly security updates known as...

Citrix Personalization For App-V - VDA Installed (Windows)

Binary data citrixpersonalizationappvvdawininstalled.nbin...

CVE-2021-26860

Windows App-V Overlay Filter Elevation of Privilege Vulnerability...

Privilege escalation

Windows App-V Overlay Filter Elevation of Privilege Vulnerability...

CVE-2021-26860 Windows App-V Overlay Filter Elevation of Privilege Vulnerability

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CVE-2021-26860

CVE-2021-26860 is a Windows App-V Overlay Filter Elevation of Privilege vulnerability. The issue is local in nature and can allow an attacker with LOW privileges and no user interaction to escalate privileges, impacting confidentiality, integrity, and availability as described in CVSS/metrics. Co...

Windows App-V Overlay Filter Elevation of Privilege Vulnerability

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Citrix Virtual Apps and Desktops Security Update

Description of Problem Vulnerabilities havebeen identified in CitrixVirtual Apps and Desktopsthat could, if exploited,result in: An authenticateduserof amulti-sessionWindowsVDA, who has been granted permission to write to c:\ root directory, being able toescalatetheir privilege levelon that...