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CVE-2026-21399

Heap Buffer Overflow in Intel Open VKL Causes Denial of Service

Heap-based buffer overflow for the Intel(R) Open Volume Kernel Library (Intel(R) Open VKL) library maintained by intel(R) before version 2.0.2 within Ring 3: User Applications may allow a denial of service. System software adversary with an authenticated user combined with a low complexity attack may enable denial of service. This result may potentially occur via local access when attack requirements are not present without special internal knowledge and requires no user interaction. The potential vulnerability may impact the confidentiality (none), integrity (low) and availability (high) of the vulnerable system, resulting in subsequent system confidentiality (none), integrity (none) and availability (none) impacts.

CVSS 4.0 · 6.9 Medium EPSS < 1% KEV · Not listed
Vendors
Intel
Products
Open Vkl Open Volume Kernel Library
CVE-2026-110958

Wavlink WN530HG4B api.cgi heap-based overflow

A vulnerability was found in Wavlink WN530HG4B M30HG4B_V260724. The impacted element is an unknown function of the file api.cgi. The manipulation results in heap-based buffer overflow. It is possible to launch the attack remotely. The exploit has been made public and could be used. Upgrading to version 2026-09-24-841a51c6d5_tclinux.bin is sufficient to resolve this issue. The affected component should be upgraded. The vendor confirms: "We confirm the finding, and it has already been addressed. In the current firmware the api=info&client=app handler no longer builds a shell command: the login script is now invoked through an argument vector (execvp) instead of system(), and the client address is length-limited and null-checked."

CVSS 4.0 · 10 Critical EPSS 1.0% KEV · Not listed
Vendors
Wavlink
Products
Wn530hg4b
CVE-2026-103509

Credential Disclosure in P4 Search Configuration API

P4 Search (formerly Helix Search) returns stored credentials in cleartext through its configuration API to users with administrative privileges on the connected P4 Server, allowing privilege escalation. This affects 2026.4.2 and earlier and is fixed in 2026.4.3.

CVSS 4.0 · 8.5 High EPSS < 1% KEV · Not listed
Vendors
—
Products
—
CVE-2018-19540

jasper: heap-based buffer overflow of size 1 in jas_icctxtdesc_input in libjasper/base/jas_icc.c

An issue was discovered in JasPer 1.900.8, 1.900.9, 1.900.10, 1.900.11, 1.900.12, 1.900.13, 1.900.14, 1.900.15, 1.900.16, 1.900.17, 1.900.18, 1.900.19, 1.900.20, 1.900.21, 1.900.22, 1.900.23, 1.900.24, 1.900.25, 1.900.26, 1.900.27, 1.900.28, 1.900.29, 1.900.30, 1.900.31, 2.0.0, 2.0.1, 2.0.2, 2.0.3, 2.0.4, 2.0.5, 2.0.6, 2.0.7, 2.0.8, 2.0.9, 2.0.10, 2.0.11, 2.0.12, 2.0.13, 2.0.14, 2.0.15, 2.0.16. There is a heap-based buffer overflow of size 1 in the function jas_icctxtdesc_input in libjasper/base/jas_icc.c.

CVSS 3.0 · 8.8 High EPSS 2.3% KEV · Not listed
Vendors
Debian Jasper Project Suse
Products
Debian Linux Jasper Linux Enterprise Desktop and 1 more
CVE-2026-96996

Microsoft Office Word Remote Code Execution Vulnerability

Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code locally.

CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
Vendors
Microsoft
Products
365 Apps Office 2021 Office 2024
CVE-2026-102856

Microsoft Office Visio Remote Code Execution Vulnerability

Heap-based buffer overflow in Microsoft Office Visio allows an unauthorized attacker to execute code over a network.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Vendors
Microsoft
Products
365 Apps Office 2021 Office 2024
CVE-2026-70242

Microsoft Office Outlook Remote Code Execution Vulnerability

Heap-based buffer overflow in Microsoft Office Outlook allows an unauthorized attacker to execute code over a network.

CVSS 3.1 · 9.8 Critical EPSS 1.6% KEV · Not listed
Vendors
Microsoft
Products
365 Apps Office 2021 Office 2024
CVE-2026-70256

Microsoft Office Outlook Remote Code Execution Vulnerability

Heap-based buffer overflow in Microsoft Office Outlook allows an unauthorized attacker to execute code over a network.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Vendors
Microsoft
Products
365 Apps Office 2024
CVE-2026-70257

Microsoft Office Outlook Remote Code Execution Vulnerability

Heap-based buffer overflow in Microsoft Office Outlook allows an unauthorized attacker to execute code over a network.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Vendors
Microsoft
Products
365 Apps Office 2021 Office 2024
CVE-2026-70282

Microsoft Office Outlook Remote Code Execution Vulnerability

Heap-based buffer overflow in Microsoft Office Outlook allows an unauthorized attacker to execute code over a network.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Vendors
Microsoft
Products
365 Apps Office 2021 Office 2024
CVE-2026-70291

Microsoft Office Outlook Remote Code Execution Vulnerability

Heap-based buffer overflow in Microsoft Office Outlook allows an unauthorized attacker to execute code over a network.

CVSS 3.1 · 9.8 Critical EPSS 1.3% KEV · Not listed
Vendors
Microsoft
Products
365 Apps Microsoft 365 Office 2021 and 4 more
CVE-2026-97016

Microsoft Office Outlook Remote Code Execution Vulnerability

Heap-based buffer overflow in Microsoft Office Outlook allows an unauthorized attacker to execute code over a network.

CVSS 3.1 · 9.8 Critical EPSS 1.2% KEV · Not listed
Vendors
Microsoft
Products
365 Apps Office 2021 Office 2024
CVE-2026-105593

Microsoft Office Access Remote Code Execution Vulnerability

Heap-based buffer overflow in Microsoft Office Access allows an unauthorized attacker to execute code over a network.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Vendors
Microsoft
Products
365 Apps Office 2021 Office 2024
CVE-2026-105596

Microsoft Office Access Remote Code Execution Vulnerability

Heap-based buffer overflow in Microsoft Office Access allows an unauthorized attacker to execute code over a network.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Vendors
Microsoft
Products
365 Apps Office 2021 Office 2024
CVE-2026-105597

Microsoft Office Access Remote Code Execution Vulnerability

Heap-based buffer overflow in Microsoft Office Access allows an unauthorized attacker to execute code over a network.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Vendors
Microsoft
Products
365 Apps Office 2021 Office 2024
CVE-2026-105598

Microsoft Office Access Remote Code Execution Vulnerability

Heap-based buffer overflow in Microsoft Office Access allows an unauthorized attacker to execute code over a network.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Vendors
Microsoft
Products
365 Apps Office 2021 Office 2024
CVE-2026-105716

Microsoft Office Access Remote Code Execution Vulnerability

Heap-based buffer overflow in Microsoft Office Access allows an unauthorized attacker to execute code over a network.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Vendors
Microsoft
Products
365 Apps Office 2021 Office 2024
CVE-2026-35001

OpenS100 S-102 Parser Integer Overflow Heap Buffer Overflow

OpenS100 through commit 2b1dafc contains an integer overflow vulnerability in the S-102 Bathymetric Surface parser. An attacker can supply a crafted S-102 HDF5 file with malicious grid dimension metadata that causes memory corruption when a user opens it. In the S102_VG_BathymetryCoverage::Read() function, the numPointsLatitudinal and numPointsLongitudinal values are multiplied without validation, and the 32-bit result can wrap around, producing an undersized heap buffer allocation. Subsequent writes past the end of that buffer cause a heap-based buffer overflow, leading to an application crash or potential arbitrary code execution in the context of the user who opened the file.

CVSS 4.0 · 7.1 High EPSS < 1% KEV · Not listed
Vendors
Opens100 Project
Products
Opens100
CVE-2026-110837

FreeRDP 2.0.0 before 3.32.0 Heap Buffer Overflow via MP3 Audio Decoding

FreeRDP 2.0.0 before 3.32.0, when built with WITH_LAME=ON and WITH_DSP_FFMPEG=OFF, has a heap-based buffer overflow in freerdp_dsp_decode_mp3 because the right-channel PCM pointer is offset by a byte count treated as short elements. A malicious RDP server can send MP3 audio over rdpsnd so decoded samples cross the heap allocation, crashing the client.

CVSS 4.0 · 6.1 Medium EPSS < 1% KEV · Not listed
Vendors
Freerdp
Products
Freerdp