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CVE-2026-96162

Windows Clipboard Virtual Channel Extension Elevation of Privilege Vulnerability

Incorrect authorization in Windows Clipboard Virtual Channel Extension allows an authorized attacker to elevate privileges locally.

CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
Vendors
Microsoft
Products
Windows 10 1607 Windows 10 1809 Windows 10 21h2 and 20 more
CVE-2026-128321

Tight JPEG decoding in TightVNC and UltraVNC viewers contains a heap-based buffer overflow vulnerability

Tight JPEG decoding in TightVNC and UltraVNC viewers contains a heap-based buffer overflow because an attacker-controlled framebuffer rectangle width is not validated against a fixed-size decoding buffer. A malicious VNC server can cause an out-of-bounds heap write when a user connects, resulting in application crash and potentially other memory-corruption impacts.

CVSS n/a EPSS < 1% KEV · Not listed
Vendors
—
Products
—
CVE-2026-120865

Memory overflow in HTTP/3 (QUIC) can lead to unpredictable or erroneous behavior or Denial of Service in Citrix NetScaler ADC and Citrix NetScaler Gateway

Memory overflow in HTTP/3 (QUIC) can lead to unpredictable or erroneous behavior or Denial of Service in Citrix NetScaler ADC and Citrix NetScaler Gateway.

CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
Vendors
Citrix
Products
Gateway Netscaler Adc Netscaler Gateway
CVE-2026-88244

Windows Link Layer Topology Discovery Protocol Remote Code Execution Vulnerability

Use after free in Windows Link Layer Topology Discovery Protocol allows an unauthorized attacker to execute code over an adjacent network.

CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Vendors
Microsoft
Products
Windows 10 1607 Windows 10 1809 Windows 10 21h2 and 20 more
CVE-2026-128240

GPAC through 26.07.0 Use-After-Free in gf_sg_proto_del During Scene Teardown

GPAC through 26.07.0 contains a use-after-free vulnerability in gf_sg_proto_del() in src/scenegraph/vrml_proto.c because gf_sg_reset() frees unregistered prototypes still referenced by scene commands. Attackers can supply a crafted XMT/BT scene declaring prototypes via commands, processed by MP4Box -chap, to trigger freed memory access and crash the process.

CVSS 4.0 · 6.8 Medium EPSS < 1% KEV · Not listed
Vendors
Gpac
Products
Gpac
CVE-2026-124031

GPAC through 26.07.0 Type Confusion via drawable_get_aspect_2d_mpeg4

GPAC through 26.07.0 contains a type confusion vulnerability in drawable_get_aspect_2d_mpeg4() and TraverseShape() that casts a Shape's appearance node to M_Appearance without checking its node tag. Attackers can supply a crafted XMT file placing another node type, such as Conditional, in the appearance field to trigger an invalid memory read and crash MP4Box.

CVSS 4.0 · 6.8 Medium EPSS < 1% KEV · Not listed
Vendors
Gpac
Products
Gpac
CVE-2026-124030

GPAC through 26.07.0 Type Confusion via gf_sg_command_apply XMT Field-Replace

GPAC through 26.07.0 contains a type confusion vulnerability in gf_sg_command_apply() in src/scenegraph/commands.c that fails to verify BIFS field-replace command types match target node fields. Attackers can supply a crafted XMT file opened with MP4Box, such as via chapter import, causing gf_sg_vrml_field_clone() to memcpy from invalid pointers and crash.

CVSS 4.0 · 6.8 Medium EPSS < 1% KEV · Not listed
Vendors
Gpac
Products
Gpac