CVE-2026-21533 Windows Remote Desktop Services Elevation of Privilege Vulnerability

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CVE-2026-21533

Improper privilege management in Windows Remote Desktop allows an authorized attacker to elevate privileges locally...

CVE-2026-21533

CVE-2026-21533 affects Windows Remote Desktop Services (RDS) and is caused by improper privilege management (CWE-269), allowing a local authenticated attacker with low privileges to elevate to SYSTEM. Multiple connected sources corroborate that the issue is a local EoP in RDS with CVSSv3 7.8 (HIG...

Windows Remote Desktop Services Elevation of Privilege Vulnerability

Improper privilege management in Windows Remote Desktop allows an authorized attacker to elevate privileges locally...

Security update for freerdp

This update for freerdp fixes the following issues: CVE-2026-22852: a malicious RDP server can trigger a heap-buffer-overflow in audinprocessformats bsc1256718. CVE-2026-22854: server-controlled read length is used to read file data into an IRP output can cause heap-buffer-overflow in...

VulnCheck KEV: CVE-2026-21533

Improper privilege management in Windows Remote Desktop allows an authorized attacker to elevate privileges locally...

Microsoft Windows Remote Desktop Services 安全漏洞

Microsoft Windows Remote Desktop Services is a set of features provided by Microsoft that allow users to access graphical desktops and Windows applications remotely. There are security vulnerabilities in Microsoft Windows Remote Desktop Services. Attackers can exploit these vulnerabilities to gai...

KLA90878 Multiple vulnerabilities in Microsoft Products (ESU)

Multiple vulnerabilities were found in Microsoft Products Extended Security Update. Malicious users can exploit these vulnerabilities to execute arbitrary code, gain privileges, bypass security restrictions, spoof user interface, obtain sensitive information, cause denial of service. Below is a...

Linux Distros Unpatched Vulnerability : CVE-2026-23948

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.22.0, a NULL pointer dereference vulnerability in rdpwritelogoninfov2 allows a...

Microsoft Windows Improper Privilege Management Vulnerability

Microsoft Windows Remote Desktop Services contains an improper privilege management vulnerability that could allow an authorized attacker to elevate privileges locally...

PT-2026-7412

Name of the Vulnerable Software and Affected Versions Microsoft Windows versions prior to February 2026 Patch Tuesday updates Description An issue exists in Microsoft Windows Remote Desktop Services due to improper privilege management. This allows an authorized attacker to elevate privileges,...

CVE-2026-24684

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.22.0, the RDPSND async playback thread can process queued PDUs after the channel is closed and internal state is freed, leading to a use after free in rdpsndtreatwave. This vulnerability is fixed in 3.22.0...

UBUNTU-CVE-2026-24682

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.22.0, audinserverrecvformats frees an incorrect number of audio formats on parse failure i + i, leading to out-of-bounds access in audioformatsfree. This vulnerability is fixed in 3.22.0...

UBUNTU-CVE-2026-24491

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.22.0, videotimer can send client notifications after the control channel is closed, dereferencing a freed callback and triggering a use after free. This vulnerability is fixed in 3.22.0...

UBUNTU-CVE-2026-24681

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.22.0, aAsynchronous bulk transfer completions can use a freed channel callback after URBDRC channel close, leading to a use after free in urbwritecompletion. This vulnerability is fixed in 3.22.0...

UBUNTU-CVE-2026-24678

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.22.0, A capture thread sends sample responses using a freed channel callback after a device channel close, leading to a use after free in ecamchannelwrite. This vulnerability is fixed in 3.22.0...

UBUNTU-CVE-2026-24677

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.22.0, ecamencodercompressh264 trusts server-controlled dimensions and does not validate the source buffer size, leading to an out-of-bounds read in swsscale. This vulnerability is fixed in 3.22.0...

UBUNTU-CVE-2026-24676

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.22.0, AUDIN format renegotiation frees the active format list while the capture thread continues using audin-format, leading to a use after free in audioformatcompatible. This vulnerability is fixed in 3.22.0...

UBUNTU-CVE-2026-24684

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.22.0, the RDPSND async playback thread can process queued PDUs after the channel is closed and internal state is freed, leading to a use after free in rdpsndtreatwave. This vulnerability is fixed in 3.22.0...

CVE-2026-24684 FreeRDP has a Heap-use-after-free in play_thread

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.22.0, the RDPSND async playback thread can process queued PDUs after the channel is closed and internal state is freed, leading to a use after free in rdpsndtreatwave. This vulnerability is fixed in 3.22.0...