CVE-2026-76840 RustDesk through 1.4.9 Heap Buffer Overflow via Unvalidated CLIPRDR FileContentsResponse Length

RustDesk's Windows clipboard redirection copies a peer-supplied length into a fixed-size caller buffer without an upper bound check. When an OLE paste consumer such as explorer.exe calls IStream::Read with a buffer of cb bytes, CliprdrStreamRead in libs/clipboard/src/windows/wfcliprdr.c requests...

CVE-2026-68579

FreeRDP before 3.30.0 = 3.29.0 contains a heap-based buffer overflow in the Windows clipboard client's CliprdrStreamRead function client/Windows/wfcliprdr.c. When an OLE paste consumer e.g. explorer.exe calls IStream::Read with a fixed-size buffer of cb bytes, CliprdrStreamRead requests file...

EUVD-2026-51989

FreeRDP before 3.30.0 = 3.29.0 contains a heap-based buffer overflow in the Windows clipboard client's CliprdrStreamRead function client/Windows/wfcliprdr.c. When an OLE paste consumer e.g. explorer.exe calls IStream::Read with a fixed-size buffer of cb bytes, CliprdrStreamRead requests file...

CVE-2026-68579

FreeRDP before 3.30.0 = 3.29.0 contains a heap-based buffer overflow in the Windows clipboard client's CliprdrStreamRead function client/Windows/wfcliprdr.c. When an OLE paste consumer e.g. explorer.exe calls IStream::Read with a fixed-size buffer of cb bytes, CliprdrStreamRead requests file...

CVE-2026-68579

FreeRDP before 3.30.0 (

CVE-2026-68579 FreeRDP before 3.30.0 Heap Overflow via CliprdrStream_Read

FreeRDP before 3.30.0 = 3.29.0 contains a heap-based buffer overflow in the Windows clipboard client's CliprdrStreamRead function client/Windows/wfcliprdr.c. When an OLE paste consumer e.g. explorer.exe calls IStream::Read with a fixed-size buffer of cb bytes, CliprdrStreamRead requests file...

CVE-2026-68579: Out-of-bounds Write

FreeRDP before 3.30.0 = 3.29.0 contains a heap-based buffer overflow in the Windows clipboard client's CliprdrStreamRead function client/Windows/wfcliprdr.c. When an OLE paste consumer e.g. explorer.exe calls IStream::Read with a fixed-size buffer of cb bytes, CliprdrStreamRead requests file...

The vulnerability of the clipboard management function in the terminal session of Windows Clipboard Server operating systems allows attackers to enhance their privileges.

The vulnerability of the clipboard management function in the terminal session of Windows Clipboard Server operating systems is related to synchronization errors when using shared resources. Exploiting this vulnerability can allow attackers to increase their privileges...

EUVD-2026-44145

Use after free in Windows Clipboard Server allows an authorized attacker to elevate privileges locally...

EUVD-2026-44099

Improper neutralization of special elements used in a command 'command injection' in Windows Clipboard User Service allows an authorized attacker to elevate privileges locally...

EUVD-2026-43800

Concurrent execution using shared resource with improper synchronization 'race condition' in Windows Clipboard Server allows an authorized attacker to elevate privileges locally...

CVE-2026-50689

Use after free in Windows Clipboard Server allows an authorized attacker to elevate privileges locally...

CVE-2026-50488

Improper neutralization of special elements used in a command 'command injection' in Windows Clipboard User Service allows an authorized attacker to elevate privileges locally...

CVE-2026-49183

Concurrent execution using shared resource with improper synchronization 'race condition' in Windows Clipboard Server allows an authorized attacker to elevate privileges locally...

CVE-2026-50689 Windows Clipboard Server Elevation of Privilege Vulnerability

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CVE-2026-50689 Windows Clipboard Server Elevation of Privilege Vulnerability

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CVE-2026-50689

CVE-2026-50689 – Windows Clipboard Server suffers a use-after-free in the Clipboard Server that enables a local, authorized attacker to elevate privileges. The CVSS 3.1 vector shows a local, low-privilege exploit with no user interaction and high confidentiality, integrity, and availability impac...

CVE-2026-49183 Windows Clipboard Server Elevation of Privilege Vulnerability

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CVE-2026-49183

CVE-2026-49183 describes a race condition in Windows Clipboard Server due to improper synchronization, enabling a local attacker with low privileges to elevate to higher rights. The affected component is the Windows Clipboard Server (shared resource handling) and the root cause is concurrent exec...

Windows Clipboard Server Elevation of Privilege Vulnerability

Concurrent execution using shared resource with improper synchronization 'race condition' in Windows Clipboard Server allows an authorized attacker to elevate privileges locally...