KB5075906: Windows Server 2022 / Azure Stack HCI 22H2 Security Update (February 2026)

The remote Windows host is missing security update 5075906. It is, therefore, affected by multiple vulnerabilities - Protection mechanism failure in MSHTML Framework allows an unauthorized attacker to bypass a security feature over a network. CVE-2026-21513 - Access of resource using incompatible...

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-2026-24676

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-2026-24677

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-2026-24684

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...

CVE-2026-24683 FreeRDP has a heap-use-after-free in ainput_send_input_event

FreeRDP is a free implementation of the Remote Desktop Protocol. ainputsendinputevent caches channelcallback in a local variable and later uses it without synchronization; a concurrent channel close can free or reinitialize the callback, leading to a use after free. Prior to 3.22.0, This...

CVE-2026-24683 FreeRDP has a heap-use-after-free in ainput_send_input_event

FreeRDP is a free implementation of the Remote Desktop Protocol. ainputsendinputevent caches channelcallback in a local variable and later uses it without synchronization; a concurrent channel close can free or reinitialize the callback, leading to a use after free. Prior to 3.22.0, This...

CVE-2026-24683

FreeRDP is a free implementation of the Remote Desktop Protocol. ainputsendinputevent caches channelcallback in a local variable and later uses it without synchronization; a concurrent channel close can free or reinitialize the callback, leading to a use after free. Prior to 3.22.0, This...

CVE-2026-24682 FreeRDP has a Heap-buffer-overflow in audio_formats_free

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...

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...

CVE-2026-24682

CVE-2026-24682 affects FreeRDP prior to 3.22.0, where audin_server_recv_formats frees an incorrect number of audio formats on parse failure (i + i), causing an out-of-bounds access in audio_formats_free. Alpine and Debian advisories corroborate the same description. The issue is fixed in version ...

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...

CVE-2026-24681 FreeRDP has a heap-use-after-free in urb_bulk_transfer_cb

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...

CVE-2026-24679

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.22.0, The URBDRC client uses server-supplied interface numbers as array indices without bounds checks, causing an out-of-bounds read in libusbudevselectinterface. This vulnerability is fixed in 3.22.0...

CVE-2026-24679

CVE-2026-24679 affects FreeRDP prior to 3.22.0. The URBDRC client uses server-supplied interface numbers as array indices without bounds checks, causing an out-of-bounds read in libusb_udev_select_interface. The issue is fixed in FreeRDP 3.22.0. Implications, as stated in the sources, include a h...